SETTING THE DIRECTORY AND READING THE DATA

setwd("C:/Users/Bagga/Desktop/Internship 2018/Week 3, Day 3")
airline <- read.csv("C:/Users/Bagga/Desktop/Internship 2018/Week 3, Day 3/SixAirlinesDataV2.csv")
airline
##       Airline Aircraft FlightDuration TravelMonth IsInternational
## 1     British   Boeing          12.25         Jul   International
## 2     British   Boeing          12.25         Aug   International
## 3     British   Boeing          12.25         Sep   International
## 4     British   Boeing          12.25         Oct   International
## 5     British   Boeing           8.16         Aug   International
## 6     British   Boeing           8.16         Sep   International
## 7     British   Boeing           8.16         Oct   International
## 8     British   Boeing           6.50         Aug   International
## 9     British   Boeing           6.50         Sep   International
## 10    British   Boeing          11.50         Sep   International
## 11    British   Boeing          11.50         Oct   International
## 12    British   Boeing          11.50         Aug   International
## 13    British   Boeing          11.50         Jul   International
## 14    British   Boeing          11.58         Aug   International
## 15    British   Boeing          11.58         Sep   International
## 16    British   Boeing          11.58         Oct   International
## 17    British   Boeing           9.16         Aug   International
## 18    British   Boeing           9.16         Sep   International
## 19    British   Boeing           9.16         Oct   International
## 20    British   Boeing           6.75         Aug   International
## 21    British   Boeing           6.75         Sep   International
## 22    British   Boeing           6.75         Oct   International
## 23    British   Boeing           6.66         Aug   International
## 24    British   Boeing           6.66         Sep   International
## 25    British   Boeing           6.66         Oct   International
## 26    British   Boeing           8.75         Aug   International
## 27    British   Boeing           8.75         Sep   International
## 28    British   Boeing           8.75         Oct   International
## 29    British   Boeing           4.91         Aug   International
## 30    British   Boeing           4.91         Sep   International
## 31    British   Boeing           4.91         Oct   International
## 32    British   Boeing           3.83         Jul   International
## 33    British   Boeing           3.83         Aug   International
## 34    British   Boeing           3.83         Sep   International
## 35    British   Boeing           3.83         Oct   International
## 36    British   Boeing          13.50         Aug   International
## 37    British   Boeing          13.50         Sep   International
## 38    British   Boeing          13.50         Oct   International
## 39    British   Boeing           3.83         Jul   International
## 40    British   Boeing           3.83         Aug   International
## 41    British   Boeing           3.83         Sep   International
## 42    British   Boeing           3.83         Oct   International
## 43    British   Boeing           5.41         Aug   International
## 44    British   Boeing           5.41         Sep   International
## 45    British   Boeing           5.41         Oct   International
## 46    British   Boeing           8.25         Aug   International
## 47    British   Boeing           8.25         Sep   International
## 48    British   Boeing           8.25         Oct   International
## 49    British   Boeing          12.75         Aug   International
## 50    British   Boeing          12.75         Sep   International
## 51    British   Boeing          12.75         Oct   International
## 52    British   Boeing           6.50         Oct   International
## 53    British   Boeing          11.08         Aug   International
## 54    British   Boeing          11.08         Sep   International
## 55    British   Boeing          11.08         Oct   International
## 56    British   Boeing           6.08         Aug   International
## 57    British   Boeing           6.08         Sep   International
## 58    British   Boeing           6.08         Oct   International
## 59    British   Boeing          12.50         Aug   International
## 60    British   Boeing          12.05         Sep   International
## 61    British   Boeing          12.50         Oct   International
## 62     Virgin   AirBus           8.00         Jul   International
## 63     Virgin   AirBus           8.00         Aug   International
## 64     Virgin   AirBus           8.00         Sep   International
## 65     Virgin   AirBus           8.00         Oct   International
## 66     Virgin   AirBus           8.83         Jul   International
## 67     Virgin   AirBus           8.83         Aug   International
## 68     Virgin   AirBus           8.83         Sep   International
## 69     Virgin   AirBus           8.83         Oct   International
## 70     Virgin   AirBus           7.08         Aug   International
## 71     Virgin   AirBus           7.08         Sep   International
## 72     Virgin   AirBus           7.08         Oct   International
## 73     Virgin   AirBus           7.75         Aug   International
## 74      Delta   Boeing           2.06         Aug        Domestic
## 75      Delta   Boeing           2.33         Sep        Domestic
## 76      Delta   Boeing           2.06         Jul        Domestic
## 77      Delta   Boeing           2.01         Oct        Domestic
## 78      Delta   Boeing           2.33         Oct        Domestic
## 79      Delta   Boeing           1.75         Jul        Domestic
## 80      Delta   Boeing           2.30         Aug        Domestic
## 81      Delta   Boeing           2.30         Jul        Domestic
## 82    British   Boeing           6.83         Jul   International
## 83    British   Boeing           6.83         Aug   International
## 84    British   Boeing           6.83         Sep   International
## 85    British   Boeing           6.83         Oct   International
## 86    British   Boeing           7.58         Aug   International
## 87    British   Boeing           7.58         Sep   International
## 88    British   Boeing           7.58         Oct   International
## 89    British   Boeing           7.58         Jul   International
## 90        Jet   Boeing           3.08         Jul   International
## 91        Jet   Boeing           3.08         Aug   International
## 92        Jet   Boeing           3.08         Sep   International
## 93        Jet   Boeing           3.08         Oct   International
## 94        Jet   Boeing           3.08         Aug   International
## 95        Jet   Boeing           3.08         Sep   International
## 96        Jet   Boeing           3.08         Oct   International
## 97        Jet   Boeing           3.08         Jul   International
## 98      Delta   Boeing           4.26         Jul        Domestic
## 99    British   AirBus          11.16         Jul   International
## 100   British   AirBus          11.16         Aug   International
## 101   British   AirBus          11.16         Sep   International
## 102   British   AirBus          11.16         Oct   International
## 103   British   AirBus          10.50         Jul   International
## 104   British   AirBus          10.50         Aug   International
## 105   British   AirBus          10.50         Sep   International
## 106   British   AirBus          10.50         Oct   International
## 107   British   AirBus          13.08         Aug   International
## 108   British   AirBus          13.08         Sep   International
## 109   British   AirBus          13.08         Oct   International
## 110   British   AirBus          11.16         Sep   International
## 111   British   AirBus          11.16         Oct   International
## 112   British   AirBus          11.16         Aug   International
## 113   British   AirBus           4.08         Sep   International
## 114   British   AirBus           3.58         Aug   International
## 115   British   AirBus           3.58         Sep   International
## 116   British   AirBus           2.41         Jul   International
## 117   British   AirBus           3.25         Aug   International
## 118   British   AirBus           3.25         Sep   International
## 119   British   AirBus           3.58         Aug   International
## 120   British   AirBus           2.66         Oct   International
## 121   British   AirBus           2.41         Aug   International
## 122   British   AirBus           2.41         Sep   International
## 123   British   AirBus           2.41         Aug   International
## 124   British   AirBus           3.25         Oct   International
## 125   British   AirBus           1.83         Jul   International
## 126   British   AirBus           3.58         Oct   International
## 127   British   AirBus           4.50         Aug   International
## 128   British   AirBus           2.41         Oct   International
## 129   British   AirBus           4.50         Oct   International
## 130   British   AirBus           1.83         Aug   International
## 131   British   AirBus           2.41         Jul   International
## 132   British   AirBus           3.58         Sep   International
## 133   British   AirBus           4.08         Aug   International
## 134   British   AirBus           2.83         Sep   International
## 135   British   AirBus           4.50         Sep   International
## 136   British   AirBus           1.25         Jul   International
## 137   British   AirBus           4.08         Oct   International
## 138   British   Boeing           1.25         Aug   International
## 139   British   AirBus           2.41         Sep   International
## 140   British   AirBus           1.83         Sep   International
## 141   British   AirBus           1.83         Oct   International
## 142   British   AirBus           1.25         Aug   International
## 143   British   AirBus           1.25         Sep   International
## 144   British   Boeing           1.25         Sep   International
## 145   British   AirBus           3.58         Oct   International
## 146   British   AirBus           2.83         Oct   International
## 147   British   Boeing           1.33         Aug   International
## 148   British   Boeing           1.33         Sep   International
## 149   British   Boeing           1.25         Oct   International
## 150   British   AirBus           2.41         Oct   International
## 151   British   Boeing           1.33         Oct   International
## 152     Delta   Boeing           4.33         Aug        Domestic
## 153     Delta   Boeing           4.51         Aug        Domestic
## 154     Delta   Boeing           4.33         Jul        Domestic
## 155     Delta   Boeing           4.51         Jul        Domestic
## 156    Virgin   Boeing          11.25         Jul   International
## 157    Virgin   Boeing          11.25         Aug   International
## 158    Virgin   Boeing          11.25         Sep   International
## 159    Virgin   Boeing          11.25         Oct   International
## 160    Virgin   Boeing          12.08         Aug   International
## 161    Virgin   Boeing          12.08         Sep   International
## 162    Virgin   Boeing          12.08         Oct   International
## 163    Virgin   Boeing          12.08         Jul   International
## 164    Virgin   Boeing           9.91         Jul   International
## 165    Virgin   Boeing           9.91         Aug   International
## 166    Virgin   Boeing           9.91         Sep   International
## 167    Virgin   Boeing           9.91         Oct   International
## 168    Virgin   Boeing          10.83         Jul   International
## 169    Virgin   Boeing          10.83         Aug   International
## 170    Virgin   Boeing          10.83         Sep   International
## 171    Virgin   Boeing          10.83         Oct   International
## 172    Virgin   Boeing          10.41         Oct   International
## 173    Virgin   Boeing          12.58         Aug   International
## 174    Virgin   Boeing          10.75         Jul   International
## 175    Virgin   Boeing          10.75         Aug   International
## 176    Virgin   Boeing          10.75         Sep   International
## 177    Virgin   Boeing          10.75         Oct   International
## 178    Virgin   Boeing          12.58         Oct   International
## 179    Virgin   Boeing          11.33         Oct   International
## 180    Virgin   Boeing           7.66         Jul   International
## 181    Virgin   Boeing           7.66         Aug   International
## 182    Virgin   Boeing           7.66         Sep   International
## 183    Virgin   Boeing           7.66         Oct   International
## 184    Virgin   Boeing          12.58         Sep   International
## 185     Delta   AirBus           8.33         Aug   International
## 186     Delta   AirBus           8.33         Oct   International
## 187     Delta   AirBus           9.50         Aug   International
## 188     Delta   AirBus           9.50         Sep   International
## 189     Delta   AirBus           9.50         Oct   International
## 190     Delta   AirBus           8.33         Sep   International
## 191    Virgin   AirBus           6.91         Jul   International
## 192    Virgin   AirBus           6.91         Aug   International
## 193    Virgin   AirBus           6.91         Sep   International
## 194    Virgin   AirBus           6.91         Oct   International
## 195    Virgin   AirBus           6.58         Jul   International
## 196    Virgin   AirBus           6.58         Aug   International
## 197    Virgin   AirBus           6.58         Sep   International
## 198    Virgin   AirBus           6.58         Oct   International
## 199    Virgin   AirBus          10.41         Jul   International
## 200    Virgin   AirBus          10.41         Aug   International
## 201    Virgin   AirBus          10.41         Sep   International
## 202    Virgin   AirBus          11.33         Aug   International
## 203    Virgin   AirBus          11.33         Sep   International
## 204    Virgin   AirBus           7.41         Jul   International
## 205    Virgin   AirBus           7.41         Aug   International
## 206    Virgin   AirBus           7.41         Sep   International
## 207    Virgin   AirBus           7.41         Oct   International
## 208    Virgin   AirBus           7.08         Jul   International
## 209    Virgin   AirBus           7.75         Jul   International
## 210    Virgin   AirBus           7.75         Sep   International
## 211    Virgin   AirBus           7.75         Oct   International
## 212 AirFrance   AirBus           9.50         Oct   International
## 213 AirFrance   AirBus           9.50         Sep   International
## 214 AirFrance   AirBus           9.50         Aug   International
## 215 AirFrance   AirBus           8.33         Jul   International
## 216 AirFrance   AirBus           8.33         Aug   International
## 217 AirFrance   AirBus           8.33         Sep   International
## 218 AirFrance   AirBus           8.33         Oct   International
## 219 AirFrance   AirBus           8.33         Jul   International
## 220 AirFrance   AirBus           8.33         Aug   International
## 221 AirFrance   AirBus           8.33         Sep   International
## 222 AirFrance   AirBus           8.33         Oct   International
## 223 AirFrance   AirBus           7.33         Aug   International
## 224 AirFrance   AirBus           7.33         Sep   International
## 225 AirFrance   AirBus           7.33         Oct   International
## 226 AirFrance   AirBus           6.83         Sep   International
## 227 AirFrance   AirBus           6.83         Oct   International
## 228 AirFrance   AirBus           8.91         Aug   International
## 229 AirFrance   AirBus           8.91         Sep   International
## 230 AirFrance   AirBus           8.91         Oct   International
## 231 AirFrance   AirBus           8.08         Sep   International
## 232 AirFrance   AirBus           9.18         Jul   International
## 233 AirFrance   AirBus           9.18         Aug   International
## 234 AirFrance   AirBus           9.25         Sep   International
## 235 AirFrance   AirBus           9.25         Oct   International
## 236 AirFrance   AirBus           9.16         Jul   International
## 237 AirFrance   AirBus           9.16         Aug   International
## 238 AirFrance   AirBus           9.25         Sep   International
## 239 AirFrance   AirBus           9.25         Oct   International
## 240   British   Boeing          10.41         Aug   International
## 241   British   Boeing          10.41         Oct   International
## 242   British   Boeing          10.41         Sep   International
## 243   British   Boeing          11.00         Aug   International
## 244   British   Boeing          11.00         Sep   International
## 245   British   Boeing          11.00         Oct   International
## 246   British   Boeing           9.91         Jul   International
## 247   British   Boeing           9.91         Aug   International
## 248   British   Boeing           9.91         Sep   International
## 249   British   Boeing           9.91         Oct   International
## 250   British   Boeing           8.58         Aug   International
## 251   British   Boeing           8.58         Sep   International
## 252   British   Boeing           8.58         Oct   International
## 253   British   Boeing          11.41         Jul   International
## 254   British   Boeing          11.41         Aug   International
## 255   British   Boeing          11.41         Sep   International
## 256   British   Boeing          11.41         Oct   International
## 257   British   Boeing           9.33         Aug   International
## 258   British   Boeing           9.33         Sep   International
## 259   British   Boeing           9.33         Oct   International
## 260   British   Boeing           8.91         Sep   International
## 261   British   Boeing           8.66         Aug   International
## 262   British   Boeing           8.66         Sep   International
## 263   British   Boeing           8.66         Oct   International
## 264   British   Boeing           7.25         Aug   International
## 265   British   Boeing           7.25         Sep   International
## 266   British   Boeing           7.25         Oct   International
## 267   British   Boeing           8.91         Aug   International
## 268   British   Boeing           7.08         Aug   International
## 269   British   Boeing           7.08         Sep   International
## 270   British   Boeing           7.08         Oct   International
## 271   British   Boeing          11.41         Aug   International
## 272   British   Boeing          11.41         Oct   International
## 273   British   Boeing          11.41         Jul   International
## 274   British   Boeing          11.41         Sep   International
## 275   British   Boeing           8.91         Oct   International
## 276   British   Boeing          11.08         Jul   International
## 277   British   Boeing          11.08         Aug   International
## 278   British   Boeing          11.08         Sep   International
## 279   British   Boeing           7.08         Sep   International
## 280   British   Boeing          11.08         Oct   International
## 281     Delta   Boeing           4.28         Sep        Domestic
## 282     Delta   Boeing           4.25         Oct        Domestic
## 283     Delta   Boeing           4.63         Aug        Domestic
## 284     Delta   Boeing           4.65         Sep        Domestic
## 285     Delta   Boeing           4.66         Oct        Domestic
## 286     Delta   Boeing           4.70         Jul        Domestic
## 287     Delta   Boeing           4.70         Sep        Domestic
## 288     Delta   Boeing           4.70         Oct        Domestic
## 289     Delta   Boeing           4.36         Sep        Domestic
## 290     Delta   Boeing           4.25         Oct        Domestic
## 291     Delta   Boeing           4.43         Oct        Domestic
## 292     Delta   Boeing           4.70         Aug        Domestic
## 293     Delta   Boeing           4.26         Aug        Domestic
## 294     Delta   Boeing           4.40         Sep        Domestic
## 295     Delta   Boeing           1.91         Oct        Domestic
## 296     Delta   AirBus           1.95         Sep        Domestic
## 297     Delta   AirBus           2.26         Sep        Domestic
## 298     Delta   AirBus           2.55         Oct        Domestic
## 299     Delta   Boeing           2.55         Aug        Domestic
## 300     Delta   Boeing           4.63         Jul        Domestic
## 301     Delta   Boeing           2.86         Aug        Domestic
## 302     Delta   AirBus           1.81         Sep        Domestic
## 303     Delta   AirBus           1.83         Oct        Domestic
## 304     Delta   Boeing           1.57         Aug        Domestic
## 305     Delta   Boeing           2.50         Jul        Domestic
## 306     Delta   AirBus           1.80         Oct        Domestic
## 307     Delta   Boeing           1.57         Jul        Domestic
## 308       Jet   AirBus           9.50         Oct   International
## 309       Jet   AirBus           9.50         Aug   International
## 310       Jet   AirBus           9.50         Jul   International
## 311       Jet   AirBus           8.91         Sep   International
## 312       Jet   AirBus           8.91         Oct   International
## 313       Jet   AirBus           9.50         Sep   International
## 314       Jet   AirBus           8.91         Aug   International
## 315 Singapore   Boeing          13.91         Aug   International
## 316 Singapore   Boeing          13.91         Sep   International
## 317 Singapore   Boeing          13.91         Oct   International
## 318 Singapore   Boeing          13.91         Jul   International
## 319 Singapore   Boeing          12.41         Aug   International
## 320 Singapore   Boeing          12.41         Sep   International
## 321 Singapore   Boeing          12.41         Oct   International
## 322 Singapore   Boeing          10.83         Jul   International
## 323 Singapore   Boeing          10.83         Aug   International
## 324 Singapore   Boeing          10.83         Sep   International
## 325 Singapore   Boeing          14.66         Aug   International
## 326 Singapore   Boeing          14.66         Sep   International
## 327 Singapore   Boeing          14.66         Oct   International
## 328 Singapore   Boeing           9.66         Aug   International
## 329 Singapore   Boeing           9.66         Sep   International
## 330 Singapore   Boeing           9.66         Oct   International
## 331 Singapore   Boeing           3.83         Jul   International
## 332 Singapore   Boeing           3.83         Aug   International
## 333 Singapore   Boeing           3.83         Sep   International
## 334 Singapore   Boeing           3.83         Oct   International
## 335 Singapore   Boeing          12.75         Aug   International
## 336 Singapore   Boeing          12.75         Sep   International
## 337 Singapore   Boeing          12.75         Oct   International
## 338 Singapore   Boeing          12.75         Jul   International
## 339 AirFrance   Boeing           8.33         Aug   International
## 340 AirFrance   Boeing           8.33         Sep   International
## 341 AirFrance   Boeing           8.33         Oct   International
## 342 AirFrance   Boeing           7.50         Oct   International
## 343 AirFrance   Boeing           6.83         Aug   International
## 344 AirFrance   Boeing           8.75         Jul   International
## 345 AirFrance   Boeing           8.75         Aug   International
## 346 AirFrance   Boeing           8.75         Sep   International
## 347 AirFrance   Boeing           7.66         Aug   International
## 348 AirFrance   Boeing           6.83         Sep   International
## 349 AirFrance   Boeing           6.83         Oct   International
## 350 AirFrance   Boeing           9.50         Jul   International
## 351 AirFrance   Boeing           9.50         Aug   International
## 352 AirFrance   Boeing           9.50         Sep   International
## 353 AirFrance   Boeing           9.50         Oct   International
## 354 AirFrance   Boeing           7.75         Jul   International
## 355 AirFrance   Boeing           7.75         Aug   International
## 356 AirFrance   Boeing           7.75         Sep   International
## 357 AirFrance   Boeing           7.83         Oct   International
## 358 AirFrance   Boeing           9.41         Aug   International
## 359 AirFrance   Boeing           9.41         Sep   International
## 360 AirFrance   Boeing           9.41         Oct   International
## 361 AirFrance   Boeing          11.75         Jul   International
## 362 AirFrance   Boeing          11.75         Aug   International
## 363 AirFrance   Boeing          11.91         Jul   International
## 364 AirFrance   Boeing          11.91         Aug   International
## 365 AirFrance   Boeing          11.91         Sep   International
## 366 AirFrance   Boeing          11.91         Oct   International
## 367   British   Boeing          13.83         Aug   International
## 368   British   Boeing          13.83         Sep   International
## 369   British   Boeing          13.83         Oct   International
## 370   British   Boeing          13.33         Aug   International
## 371   British   Boeing          13.33         Sep   International
## 372   British   Boeing          13.33         Oct   International
## 373   British   Boeing           8.91         Aug   International
## 374   British   Boeing           8.91         Sep   International
## 375   British   Boeing           8.91         Oct   International
## 376   British   Boeing           9.58         Aug   International
## 377   British   Boeing           9.58         Oct   International
## 378   British   Boeing           9.58         Sep   International
## 379       Jet   Boeing           3.25         Aug   International
## 380       Jet   Boeing           3.25         Sep   International
## 381       Jet   Boeing           3.25         Oct   International
## 382       Jet   Boeing           3.25         Jul   International
## 383       Jet   Boeing           3.25         Oct   International
## 384       Jet   Boeing           4.16         Jul   International
## 385       Jet   Boeing           4.16         Oct   International
## 386       Jet   Boeing           4.08         Aug   International
## 387       Jet   Boeing           2.50         Jul   International
## 388       Jet   Boeing           2.50         Sep   International
## 389       Jet   Boeing           2.50         Oct   International
## 390       Jet   Boeing           2.66         Jul   International
## 391       Jet   Boeing           2.66         Sep   International
## 392       Jet   Boeing           2.66         Oct   International
## 393       Jet   Boeing           4.16         Aug   International
## 394       Jet   Boeing           3.25         Aug   International
## 395       Jet   Boeing           4.08         Sep   International
## 396       Jet   Boeing           4.16         Oct   International
## 397       Jet   Boeing           4.16         Sep   International
## 398       Jet   Boeing           2.50         Aug   International
## 399       Jet   Boeing           2.66         Aug   International
## 400       Jet   Boeing           4.33         Jul   International
## 401       Jet   Boeing           4.33         Aug   International
## 402       Jet   Boeing           4.33         Sep   International
## 403       Jet   Boeing           4.33         Oct   International
## 404       Jet   Boeing           3.25         Sep   International
## 405       Jet   Boeing           3.25         Jul   International
## 406 AirFrance   Boeing           6.91         Sep   International
## 407 AirFrance   Boeing           6.91         Oct   International
## 408 AirFrance   Boeing           6.91         Aug   International
## 409 AirFrance   Boeing           6.91         Jul   International
## 410 Singapore   AirBus          13.33         Jul   International
## 411 Singapore   AirBus          13.33         Aug   International
## 412 Singapore   AirBus          13.33         Sep   International
## 413 Singapore   AirBus          13.33         Oct   International
## 414 Singapore   AirBus           6.16         Jul   International
## 415 Singapore   AirBus           6.16         Aug   International
## 416 Singapore   AirBus           6.16         Sep   International
## 417 Singapore   AirBus           6.16         Oct   International
## 418 Singapore   AirBus          12.66         Jul   International
## 419 Singapore   AirBus          12.66         Aug   International
## 420 Singapore   AirBus          12.66         Sep   International
## 421 Singapore   AirBus          12.66         Oct   International
## 422 Singapore   AirBus           6.50         Jul   International
## 423 Singapore   AirBus           6.50         Aug   International
## 424 Singapore   AirBus           6.50         Sep   International
## 425 Singapore   AirBus           6.50         Oct   International
## 426 AirFrance   AirBus          13.00         Sep   International
## 427 AirFrance   AirBus          13.00         Oct   International
## 428 AirFrance   AirBus           7.50         Aug   International
## 429 AirFrance   AirBus           7.50         Sep   International
## 430 AirFrance   Boeing          10.66         Aug   International
## 431 AirFrance   Boeing          10.66         Sep   International
## 432 AirFrance   Boeing          10.66         Oct   International
## 433 AirFrance   AirBus           8.41         Jul   International
## 434 AirFrance   AirBus           8.50         Aug   International
## 435 AirFrance   AirBus           8.50         Sep   International
## 436 AirFrance   Boeing           8.50         Oct   International
## 437 AirFrance   Boeing          11.50         Sep   International
## 438 AirFrance   Boeing          11.50         Oct   International
## 439 AirFrance   AirBus          13.00         Jul   International
## 440       Jet   Boeing           5.66         Aug   International
## 441       Jet   Boeing           3.16         Jul   International
## 442       Jet   Boeing           3.16         Oct   International
## 443       Jet   Boeing           5.66         Jul   International
## 444       Jet   Boeing           5.66         Aug   International
## 445       Jet   Boeing           5.66         Sep   International
## 446       Jet   Boeing           5.66         Oct   International
## 447       Jet   Boeing           5.66         Jul   International
## 448       Jet   Boeing           3.16         Aug   International
## 449       Jet   Boeing           2.58         Aug   International
## 450       Jet   Boeing           2.58         Sep   International
## 451       Jet   Boeing           2.58         Oct   International
## 452       Jet   Boeing           3.16         Sep   International
## 453       Jet   Boeing           2.58         Jul   International
## 454       Jet   Boeing           2.58         Oct   International
## 455       Jet   Boeing           2.58         Aug   International
## 456       Jet   Boeing           2.58         Sep   International
## 457       Jet   Boeing           3.25         Jul   International
## 458       Jet   Boeing           2.58         Jul   International
##     SeatsEconomy SeatsPremium PitchEconomy PitchPremium WidthEconomy
## 1            122           40           31           38           18
## 2            122           40           31           38           18
## 3            122           40           31           38           18
## 4            122           40           31           38           18
## 5            122           40           31           38           18
## 6            122           40           31           38           18
## 7            122           40           31           38           18
## 8            122           40           31           38           18
## 9            122           40           31           38           18
## 10           122           40           31           38           18
## 11           122           40           31           38           18
## 12           122           40           31           38           18
## 13           122           40           31           38           18
## 14           122           40           31           38           18
## 15           122           40           31           38           18
## 16           122           40           31           38           18
## 17           122           40           31           38           18
## 18           122           40           31           38           18
## 19           122           40           31           38           18
## 20           122           40           31           38           18
## 21           122           40           31           38           18
## 22           122           40           31           38           18
## 23           122           40           31           38           18
## 24           122           40           31           38           18
## 25           122           40           31           38           18
## 26           122           40           31           38           18
## 27           122           40           31           38           18
## 28           122           40           31           38           18
## 29           122           40           31           38           18
## 30           122           40           31           38           18
## 31           122           40           31           38           18
## 32           122           40           31           38           18
## 33           122           40           31           38           18
## 34           122           40           31           38           18
## 35           122           40           31           38           18
## 36           122           40           31           38           18
## 37           122           40           31           38           18
## 38           122           40           31           38           18
## 39           122           40           31           38           18
## 40           122           40           31           38           18
## 41           122           40           31           38           18
## 42           122           40           31           38           18
## 43           122           40           31           38           18
## 44           122           40           31           38           18
## 45           122           40           31           38           18
## 46           122           40           31           38           18
## 47           122           40           31           38           18
## 48           122           40           31           38           18
## 49           122           40           31           38           18
## 50           122           40           31           38           18
## 51           122           40           31           38           18
## 52           127           39           31           38           18
## 53           127           39           31           38           18
## 54           127           39           31           38           18
## 55           127           39           31           38           18
## 56           127           39           31           38           18
## 57           127           39           31           38           18
## 58           127           39           31           38           18
## 59           127           39           31           38           18
## 60           127           39           31           38           18
## 61           127           39           31           38           18
## 62           185           48           31           38           18
## 63           185           48           31           38           18
## 64           185           48           31           38           18
## 65           185           48           31           38           18
## 66           185           48           31           38           18
## 67           185           48           31           38           18
## 68           185           48           31           38           18
## 69           185           48           31           38           18
## 70           185           48           31           38           18
## 71           185           48           31           38           18
## 72           185           48           31           38           18
## 73           185           48           31           38           18
## 74            78           20           31           34           18
## 75            78           20           31           34           18
## 76            78           20           31           34           18
## 77            78           20           31           34           18
## 78            78           20           31           34           18
## 79            78           20           31           34           18
## 80            78           20           31           34           18
## 81            78           20           31           34           18
## 82           243           56           31           38           18
## 83           243           56           31           38           18
## 84           243           56           31           38           18
## 85           243           56           31           38           18
## 86           243           56           31           38           18
## 87           243           56           31           38           18
## 88           243           56           31           38           18
## 89           243           56           31           38           18
## 90           138           28           30           40           17
## 91           138           28           30           40           17
## 92           138           28           30           40           17
## 93           138           28           30           40           17
## 94           138           28           30           40           17
## 95           138           28           30           40           17
## 96           138           28           30           40           17
## 97           138           28           30           40           17
## 98           132           26           32           34           17
## 99           303           55           31           38           18
## 100          303           55           31           38           18
## 101          303           55           31           38           18
## 102          303           55           31           38           18
## 103          303           55           31           38           18
## 104          303           55           31           38           18
## 105          303           55           31           38           18
## 106          303           55           31           38           18
## 107          303           55           31           38           18
## 108          303           55           31           38           18
## 109          303           55           31           38           18
## 110          303           55           31           38           18
## 111          303           55           31           38           18
## 112          303           55           31           38           18
## 113          303           55           31           38           18
## 114          303           55           31           38           18
## 115          303           55           31           38           18
## 116          303           55           31           38           18
## 117          303           55           31           38           18
## 118          303           55           31           38           18
## 119          303           55           31           38           18
## 120          303           55           31           38           18
## 121          303           55           31           38           18
## 122          303           55           31           38           18
## 123          303           55           31           38           18
## 124          303           55           31           38           18
## 125          303           55           31           38           18
## 126          303           55           31           38           18
## 127          303           55           31           38           18
## 128          303           55           31           38           18
## 129          303           55           31           38           18
## 130          303           55           31           38           18
## 131          303           55           31           38           18
## 132          303           55           31           38           18
## 133          303           55           31           38           18
## 134          303           55           31           38           18
## 135          303           55           31           38           18
## 136          303           55           31           38           18
## 137          303           55           31           38           18
## 138          303           55           31           38           18
## 139          303           55           31           38           18
## 140          303           55           31           38           18
## 141          303           55           31           38           18
## 142          303           55           31           38           18
## 143          303           55           31           38           18
## 144          303           55           31           38           18
## 145          303           55           31           38           18
## 146          303           55           31           38           18
## 147          303           55           31           38           18
## 148          303           55           31           38           18
## 149          303           55           31           38           18
## 150          312           55           31           38           18
## 151          303           55           31           38           18
## 152          171           29           32           35           18
## 153          171           29           32           35           18
## 154          171           29           32           35           18
## 155          171           29           32           35           18
## 156          198           35           31           38           18
## 157          198           35           31           38           18
## 158          198           35           31           38           18
## 159          198           35           31           38           18
## 160          198           35           31           38           18
## 161          198           35           31           38           18
## 162          198           35           31           38           18
## 163          198           35           31           38           18
## 164          375           66           31           38           18
## 165          375           66           31           38           18
## 166          375           66           31           38           18
## 167          375           66           31           38           18
## 168          198           35           31           38           18
## 169          198           35           31           38           18
## 170          198           35           31           38           18
## 171          198           35           31           38           18
## 172          198           35           31           38           18
## 173          198           35           31           38           18
## 174          375           66           31           38           18
## 175          375           66           31           38           18
## 176          375           66           31           38           18
## 177          375           66           31           38           18
## 178          198           35           31           38           18
## 179          198           35           31           38           18
## 180          198           35           31           38           18
## 181          198           35           31           38           18
## 182          198           35           31           38           18
## 183          198           35           31           38           18
## 184          198           35           31           38           18
## 185          233           38           31           38           18
## 186          233           38           31           38           18
## 187          233           38           31           38           18
## 188          233           38           31           38           18
## 189          233           38           31           38           18
## 190          233           38           31           38           18
## 191          233           38           31           38           18
## 192          233           38           31           38           18
## 193          233           38           31           38           18
## 194          233           38           31           38           18
## 195          233           38           31           38           18
## 196          233           38           31           38           18
## 197          233           38           31           38           18
## 198          233           38           31           38           18
## 199          233           38           31           38           18
## 200          233           38           31           38           18
## 201          233           38           31           38           18
## 202          233           38           31           38           18
## 203          233           38           31           38           18
## 204          233           38           31           38           18
## 205          233           38           31           38           18
## 206          233           38           31           38           18
## 207          233           38           31           38           18
## 208          233           38           31           38           18
## 209          233           38           31           38           18
## 210          233           38           31           38           18
## 211          233           38           31           38           18
## 212          147           21           32           38           18
## 213          147           21           32           38           18
## 214          147           21           32           38           18
## 215          147           21           32           38           18
## 216          147           21           32           38           18
## 217          147           21           32           38           18
## 218          147           21           32           38           18
## 219          147           21           32           38           18
## 220          147           21           32           38           18
## 221          147           21           32           38           18
## 222          147           21           32           38           18
## 223          147           21           32           38           18
## 224          147           21           32           38           18
## 225          147           21           32           38           18
## 226          147           21           32           38           18
## 227          147           21           32           38           18
## 228          147           21           32           38           18
## 229          147           21           32           38           18
## 230          147           21           32           38           18
## 231          147           21           32           38           18
## 232          147           21           32           38           18
## 233          147           21           32           38           18
## 234          147           21           32           38           18
## 235          147           21           32           38           18
## 236          147           21           32           38           18
## 237          147           21           32           38           18
## 238          147           21           32           38           18
## 239          147           21           32           38           18
## 240          243           36           31           38           18
## 241          243           36           31           38           18
## 242          243           36           31           38           18
## 243          243           36           31           38           18
## 244          243           36           31           38           18
## 245          243           36           31           38           18
## 246          243           36           31           38           18
## 247          243           36           31           38           18
## 248          243           36           31           38           18
## 249          243           36           31           38           18
## 250          243           36           31           38           18
## 251          243           36           31           38           18
## 252          243           36           31           38           18
## 253          243           36           31           38           18
## 254          243           36           31           38           18
## 255          243           36           31           38           18
## 256          243           36           31           38           18
## 257          243           36           31           38           18
## 258          243           36           31           38           18
## 259          243           36           31           38           18
## 260          243           36           31           38           18
## 261          243           36           31           38           18
## 262          243           36           31           38           18
## 263          243           36           31           38           18
## 264          243           36           31           38           18
## 265          243           36           31           38           18
## 266          243           36           31           38           18
## 267          243           36           31           38           18
## 268          243           36           31           38           18
## 269          243           36           31           38           18
## 270          243           36           31           38           18
## 271          243           36           31           38           18
## 272          243           36           31           38           18
## 273          243           36           31           38           18
## 274          243           36           31           38           18
## 275          243           36           31           38           18
## 276          243           36           31           38           18
## 277          243           36           31           38           18
## 278          243           36           31           38           18
## 279          243           36           31           38           18
## 280          243           36           31           38           18
## 281          126           18           32           34           17
## 282          126           18           32           34           17
## 283          126           18           32           34           17
## 284          126           18           32           34           17
## 285          126           18           32           34           17
## 286          139           21           31           34           17
## 287          139           21           31           34           17
## 288          139           21           31           34           17
## 289          126           18           32           34           17
## 290          126           18           32           34           17
## 291          126           18           32           34           17
## 292          139           21           31           34           17
## 293          126           18           32           34           17
## 294          126           18           32           34           17
## 295          136           20           33           35           17
## 296          120           18           32           34           17
## 297          120           18           32           34           17
## 298          136           20           33           35           17
## 299          136           20           33           35           17
## 300          126           18           32           34           17
## 301          136           20           33           35           17
## 302          120           18           32           34           17
## 303          120           18           32           34           17
## 304          126           18           32           34           17
## 305          136           20           33           35           17
## 306          120           18           32           34           17
## 307          126           18           32           34           17
## 308          147           21           32           38           18
## 309          147           21           32           38           18
## 310          147           21           32           38           18
## 311          147           21           32           38           18
## 312          147           21           32           38           18
## 313          147           21           32           38           18
## 314          147           21           32           38           18
## 315          184           28           32           38           19
## 316          184           28           32           38           19
## 317          184           28           32           38           19
## 318          184           28           32           38           19
## 319          184           28           32           38           19
## 320          184           28           32           38           19
## 321          184           28           32           38           19
## 322          184           28           32           38           19
## 323          184           28           32           38           19
## 324          184           28           32           38           19
## 325          184           28           32           38           19
## 326          184           28           32           38           19
## 327          184           28           32           38           19
## 328          184           28           32           38           19
## 329          184           28           32           38           19
## 330          184           28           32           38           19
## 331          184           28           32           38           19
## 332          184           28           32           38           19
## 333          184           28           32           38           19
## 334          184           28           32           38           19
## 335          184           28           32           38           19
## 336          184           28           32           38           19
## 337          184           28           32           38           19
## 338          184           28           32           38           19
## 339          200           28           32           38           17
## 340          200           28           32           38           17
## 341          200           28           32           38           17
## 342          200           28           32           38           17
## 343          200           28           32           38           17
## 344          200           28           32           38           17
## 345          200           28           32           38           17
## 346          200           28           32           38           17
## 347          200           28           32           38           17
## 348          200           28           32           38           17
## 349          200           28           32           38           17
## 350          200           28           32           38           17
## 351          200           28           32           38           17
## 352          200           28           32           38           17
## 353          200           28           32           38           17
## 354          174           24           32           38           17
## 355          174           24           32           38           17
## 356          174           24           32           38           17
## 357          174           24           32           38           17
## 358          200           28           32           38           17
## 359          200           28           32           38           17
## 360          200           28           32           38           17
## 361          174           24           32           38           17
## 362          174           24           32           38           17
## 363          200           28           32           38           17
## 364          200           28           32           38           17
## 365          200           28           32           38           17
## 366          200           28           32           38           17
## 367          203           24           31           38           18
## 368          203           24           31           38           18
## 369          203           24           31           38           18
## 370          203           24           31           38           18
## 371          203           24           31           38           18
## 372          203           24           31           38           18
## 373          203           24           31           38           18
## 374          203           24           31           38           18
## 375          203           24           31           38           18
## 376          203           24           31           38           18
## 377          203           24           31           38           18
## 378          203           24           31           38           18
## 379          124           16           30           40           17
## 380          124           16           30           40           17
## 381          124           16           30           40           17
## 382          124           16           30           40           17
## 383          124           16           30           40           17
## 384          124           16           30           40           17
## 385          124           16           30           40           17
## 386          124           16           30           40           17
## 387          124           16           30           40           17
## 388          124           16           30           40           17
## 389          124           16           30           40           17
## 390          124           16           30           40           17
## 391          124           16           30           40           17
## 392          124           16           30           40           17
## 393          124           16           30           40           17
## 394          124           16           30           40           17
## 395          124           16           30           40           17
## 396          124           16           30           40           17
## 397          124           16           30           40           17
## 398          124           16           30           40           17
## 399          124           16           30           40           17
## 400          124           16           30           40           17
## 401          124           16           30           40           17
## 402          124           16           30           40           17
## 403          124           16           30           40           17
## 404          124           16           30           40           17
## 405          124           16           30           40           17
## 406          216           24           32           38           17
## 407          216           24           32           38           17
## 408          216           24           32           38           17
## 409          216           24           32           38           17
## 410          333           36           32           38           19
## 411          333           36           32           38           19
## 412          333           36           32           38           19
## 413          333           36           32           38           19
## 414          333           36           32           38           19
## 415          333           36           32           38           19
## 416          333           36           32           38           19
## 417          333           36           32           38           19
## 418          333           36           32           38           19
## 419          333           36           32           38           19
## 420          333           36           32           38           19
## 421          333           36           32           38           19
## 422          333           36           32           38           19
## 423          333           36           32           38           19
## 424          333           36           32           38           19
## 425          333           36           32           38           19
## 426          389           38           32           38           18
## 427          389           38           32           38           18
## 428          389           38           32           38           18
## 429          389           38           32           38           18
## 430          389           38           32           38           18
## 431          389           38           32           38           18
## 432          389           38           32           38           18
## 433          389           38           32           38           18
## 434          389           38           32           38           18
## 435          389           38           32           38           18
## 436          389           38           32           38           18
## 437          389           38           32           38           18
## 438          389           38           32           38           18
## 439          389           38           32           38           18
## 440          162            8           30           40           17
## 441          162            8           30           40           17
## 442          162            8           30           40           17
## 443          162            8           30           40           17
## 444          162            8           30           40           17
## 445          162            8           30           40           17
## 446          162            8           30           40           17
## 447          162            8           30           40           17
## 448          162            8           30           40           17
## 449          162            8           30           40           17
## 450          162            8           30           40           17
## 451          162            8           30           40           17
## 452          162            8           30           40           17
## 453          162            8           30           40           17
## 454          162            8           30           40           17
## 455          162            8           30           40           17
## 456          162            8           30           40           17
## 457          162            8           30           40           17
## 458          162            8           30           40           17
##     WidthPremium PriceEconomy PricePremium PriceRelative SeatsTotal
## 1             19         2707         3725          0.38        162
## 2             19         2707         3725          0.38        162
## 3             19         2707         3725          0.38        162
## 4             19         2707         3725          0.38        162
## 5             19         1793         2999          0.67        162
## 6             19         1793         2999          0.67        162
## 7             19         1793         2999          0.67        162
## 8             19         1476         2997          1.03        162
## 9             19         1476         2997          1.03        162
## 10            19         1705         2989          0.75        162
## 11            19         1705         2989          0.75        162
## 12            19         1911         2989          0.56        162
## 13            19         2378         2989          0.26        162
## 14            19         1750         2656          0.52        162
## 15            19         1750         2656          0.52        162
## 16            19         1750         2656          0.52        162
## 17            19         1813         2504          0.38        162
## 18            19         1813         2504          0.38        162
## 19            19         1813         2504          0.38        162
## 20            19         1634         2195          0.34        162
## 21            19         1634         2195          0.34        162
## 22            19         1634         2195          0.34        162
## 23            19         1651         2191          0.33        162
## 24            19         1651         2191          0.33        162
## 25            19         1651         2191          0.33        162
## 26            19         1542         2084          0.35        162
## 27            19         1566         2084          0.33        162
## 28            19         1566         2084          0.33        162
## 29            19         1356         1820          0.34        162
## 30            19         1356         1820          0.34        162
## 31            19         1356         1820          0.34        162
## 32            19         1242         1764          0.42        162
## 33            19         1242         1764          0.42        162
## 34            19         1242         1764          0.42        162
## 35            19         1242         1764          0.42        162
## 36            19          940         1548          0.65        162
## 37            19          940         1548          0.65        162
## 38            19          940         1548          0.65        162
## 39            19         1224         1512          0.24        162
## 40            19         1224         1512          0.24        162
## 41            19         1224         1512          0.24        162
## 42            19         1224         1512          0.24        162
## 43            19         1127         1317          0.17        162
## 44            19         1127         1317          0.17        162
## 45            19         1127         1317          0.17        162
## 46            19         1123         1213          0.08        162
## 47            19         1123         1213          0.08        162
## 48            19         1123         1213          0.08        162
## 49            19          509          773          0.52        162
## 50            19          509          773          0.52        162
## 51            19          509          773          0.52        162
## 52            19         1476         2997          1.03        166
## 53            19         2156         2933          0.36        166
## 54            19         2156         2933          0.36        166
## 55            19         2156         2933          0.36        166
## 56            19         1634         2195          0.34        166
## 57            19         1634         2195          0.34        166
## 58            19         1634         2195          0.34        166
## 59            19         1038         1259          0.21        166
## 60            19         1038         1259          0.21        166
## 61            19          509          818          0.61        166
## 62            21         1813         3128          0.73        233
## 63            21         1813         3128          0.73        233
## 64            21         1813         3128          0.73        233
## 65            21         1813         3128          0.73        233
## 66            21         2052         2856          0.39        233
## 67            21         2052         2856          0.39        233
## 68            21         2052         2856          0.39        233
## 69            21         2052         2856          0.39        233
## 70            21         1919         2409          0.26        233
## 71            21         1919         2409          0.26        233
## 72            21         1919         2409          0.26        233
## 73            21          540          594          0.10        233
## 74            18          158          173          0.09         98
## 75            18          189          204          0.08         98
## 76            18          228          243          0.07         98
## 77            18          222          237          0.07         98
## 78            18          216          231          0.07         98
## 79            18          391          406          0.04         98
## 80            18          349          364          0.04         98
## 81            18          581          596          0.03         98
## 82            19         1444         2982          1.07        299
## 83            19         1444         2982          1.07        299
## 84            19         1444         2982          1.07        299
## 85            19         1444         2982          1.07        299
## 86            19         1824         2549          0.40        299
## 87            19         1824         2549          0.40        299
## 88            19         1824         2549          0.40        299
## 89            19         1823         2548          0.40        299
## 90            21          354          524          0.48        166
## 91            21          354          524          0.48        166
## 92            21          354          524          0.48        166
## 93            21          354          524          0.48        166
## 94            21          464          616          0.33        166
## 95            21          464          616          0.33        166
## 96            21          464          616          0.33        166
## 97            21          489          616          0.26        166
## 98            17          458          497          0.09        158
## 99            19         2384         3563          0.49        358
## 100           19         2384         3563          0.49        358
## 101           19         2384         3563          0.49        358
## 102           19         2384         3563          0.49        358
## 103           19         1848         3536          0.91        358
## 104           19         1848         3536          0.91        358
## 105           19         1848         3536          0.91        358
## 106           19         1848         3536          0.91        358
## 107           19         1758         2592          0.47        358
## 108           19         1758         2592          0.47        358
## 109           19         1758         2592          0.47        358
## 110           19          719         1634          1.27        358
## 111           19          719         1634          1.27        358
## 112           19         1198         1634          0.36        358
## 113           19          457          486          0.06        358
## 114           19          402          442          0.10        358
## 115           19          402          442          0.10        358
## 116           19          392          407          0.04        358
## 117           19          356          396          0.11        358
## 118           19          356          396          0.11        358
## 119           19          322          348          0.08        358
## 120           19          297          323          0.09        358
## 121           19          303          319          0.05        358
## 122           19          303          319          0.05        358
## 123           19          276          306          0.11        358
## 124           19          249          285          0.14        358
## 125           19          238          278          0.17        358
## 126           19          238          276          0.16        358
## 127           19          228          263          0.15        358
## 128           19          231          247          0.07        358
## 129           19          203          238          0.17        358
## 130           19          201          237          0.18        358
## 131           19          207          237          0.14        358
## 132           19          207          234          0.13        358
## 133           19          182          211          0.16        358
## 134           19          171          201          0.18        358
## 135           19          168          198          0.18        358
## 136           19          140          175          0.25        358
## 137           19          147          175          0.20        358
## 138           19          137          172          0.26        358
## 139           19          138          165          0.19        358
## 140           19          126          156          0.23        358
## 141           19          126          156          0.23        358
## 142           19          109          141          0.30        358
## 143           19          109          141          0.30        358
## 144           19          109          141          0.30        358
## 145           19          104          131          0.25        358
## 146           19           97          125          0.29        358
## 147           19           77           99          0.29        358
## 148           19           77           99          0.29        358
## 149           19           69           97          0.40        358
## 150           19           74           97          0.31        367
## 151           19           65           86          0.33        358
## 152           18          298          337          0.13        200
## 153           18          423          467          0.10        200
## 154           18          483          527          0.09        200
## 155           18          713          757          0.06        200
## 156           21          574         1619          1.82        233
## 157           21          574         1619          1.82        233
## 158           21          574         1619          1.82        233
## 159           21          574         1619          1.82        233
## 160           21         1086         2964          1.73        233
## 161           21         1086         2964          1.73        233
## 162           21         1086         2964          1.73        233
## 163           21         1247         2964          1.38        233
## 164           21         1781         3509          0.97        441
## 165           21         1781         3509          0.97        441
## 166           21         1781         3509          0.97        441
## 167           21         1781         3509          0.97        441
## 168           21         1580         3019          0.91        233
## 169           21         1580         3019          0.91        233
## 170           21         1580         3019          0.91        233
## 171           21         1580         3019          0.91        233
## 172           21         1903         3509          0.84        233
## 173           21         1096         1710          0.56        233
## 174           21         2445         3694          0.51        441
## 175           21         2445         3694          0.51        441
## 176           21         2445         3694          0.51        441
## 177           21         2445         3694          0.51        441
## 178           21          975         1465          0.50        233
## 179           21         2369         3540          0.49        233
## 180           21         1811         2531          0.40        233
## 181           21         1811         2531          0.40        233
## 182           21         1811         2531          0.40        233
## 183           21         1811         2531          0.40        233
## 184           21         1356         1710          0.26        233
## 185           21         1778         2588          0.46        271
## 186           21         1778         2588          0.46        271
## 187           21         1999         2765          0.38        271
## 188           21         1999         2765          0.38        271
## 189           21         1999         2765          0.38        271
## 190           21         1985         2588          0.30        271
## 191           21         1434         2982          1.08        271
## 192           21         1434         2982          1.08        271
## 193           21         1434         2982          1.08        271
## 194           21         1434         2982          1.08        271
## 195           21         1476         2997          1.03        271
## 196           21         1476         2997          1.03        271
## 197           21         1476         2997          1.03        271
## 198           21         1476         2997          1.03        271
## 199           21         1903         3509          0.84        271
## 200           21         1903         3509          0.84        271
## 201           21         1903         3509          0.84        271
## 202           21         2369         3540          0.49        271
## 203           21         2369         3540          0.49        271
## 204           21         1767         2499          0.41        271
## 205           21         1767         2499          0.41        271
## 206           21         1767         2499          0.41        271
## 207           21         1767         2499          0.41        271
## 208           21         1919         2409          0.26        271
## 209           21          540          594          0.10        271
## 210           21          540          594          0.10        271
## 211           21          540          594          0.10        271
## 212           19          630         1611          1.56        168
## 213           19          743         1611          1.17        168
## 214           19          990         1611          0.63        168
## 215           19         2659         2859          0.08        168
## 216           19         2659         2859          0.08        168
## 217           19         2659         2859          0.08        168
## 218           19         2659         2859          0.08        168
## 219           19         2659         2859          0.08        168
## 220           19         2659         2859          0.08        168
## 221           19         2659         2859          0.08        168
## 222           19         2659         2859          0.08        168
## 223           19         2607         2807          0.08        168
## 224           19         2607         2807          0.08        168
## 225           19         2607         2807          0.08        168
## 226           19         2860         3063          0.07        168
## 227           19         2860         3063          0.07        168
## 228           19         2609         2787          0.07        168
## 229           19         2609         2787          0.07        168
## 230           19         2609         2787          0.07        168
## 231           19         2813         2922          0.04        168
## 232           19         3165         3275          0.03        168
## 233           19         3165         3275          0.03        168
## 234           19         3165         3275          0.03        168
## 235           19         3165         3275          0.03        168
## 236           19         3165         3275          0.03        168
## 237           19         3165         3275          0.03        168
## 238           19         3165         3275          0.03        168
## 239           19         3165         3275          0.03        168
## 240           19         1651         3509          1.13        279
## 241           19         1651         3509          1.13        279
## 242           19         2775         3509          0.26        279
## 243           19         2230         3227          0.45        279
## 244           19         2230         3227          0.45        279
## 245           19         2230         3227          0.45        279
## 246           19         2356         3200          0.36        279
## 247           19         2356         3200          0.36        279
## 248           19         2356         3200          0.36        279
## 249           19         2356         3200          0.36        279
## 250           19         1562         3099          0.98        279
## 251           19         1562         3099          0.98        279
## 252           19         1562         3099          0.98        279
## 253           19         2281         3025          0.33        279
## 254           19         2281         3025          0.33        279
## 255           19         2281         3025          0.33        279
## 256           19         2281         3025          0.33        279
## 257           19         1813         2472          0.36        279
## 258           19         1813         2472          0.36        279
## 259           19         1813         2472          0.36        279
## 260           19         1140         2423          1.13        279
## 261           19         1609         2292          0.42        279
## 262           19         1609         2292          0.42        279
## 263           19         1609         2292          0.42        279
## 264           19         1632         2278          0.40        279
## 265           19         1632         2278          0.40        279
## 266           19         1632         2278          0.40        279
## 267           19         1140         2049          0.80        279
## 268           19         1736         1866          0.07        279
## 269           19         1736         1866          0.07        279
## 270           19         1736         1866          0.07        279
## 271           19          846         1784          1.11        279
## 272           19          846         1784          1.11        279
## 273           19          937         1784          0.91        279
## 274           19         1485         1784          0.20        279
## 275           19          891         1603          0.80        279
## 276           19         1323         1550          0.17        279
## 277           19         1023         1199          0.17        279
## 278           19         1023         1199          0.17        279
## 279           19          757          912          0.21        279
## 280           19          533          837          0.57        279
## 281           17          288          327          0.14        144
## 282           17          288          327          0.14        144
## 283           17          363          407          0.12        144
## 284           17          363          407          0.12        144
## 285           17          363          407          0.12        144
## 286           17          413          457          0.11        160
## 287           17          413          457          0.11        160
## 288           17          413          457          0.11        160
## 289           17          413          457          0.11        144
## 290           17          413          457          0.11        144
## 291           17          340          379          0.11        144
## 292           17          423          467          0.10        160
## 293           17          328          362          0.10        144
## 294           17          328          362          0.10        144
## 295           17          166          181          0.09        156
## 296           17          166          181          0.09        138
## 297           17          329          354          0.08        138
## 298           17          243          262          0.08        156
## 299           17          243          262          0.08        156
## 300           17          626          670          0.07        144
## 301           17          354          378          0.07        156
## 302           17          293          308          0.05        138
## 303           17          293          308          0.05        138
## 304           17          293          308          0.05        144
## 305           17          636          660          0.04        156
## 306           17          416          431          0.04        138
## 307           17          349          364          0.04        144
## 308           19          336          841          1.50        168
## 309           19          429          841          0.96        168
## 310           19          462          841          0.82        168
## 311           19          557          789          0.42        168
## 312           19          557          789          0.42        168
## 313           19          661          928          0.40        168
## 314           19          676          931          0.38        168
## 315           20          794         1671          1.11        212
## 316           20          794         1452          0.83        212
## 317           20          794         1452          0.83        212
## 318           20          794         1408          0.77        212
## 319           20         1215         1947          0.60        212
## 320           20         1215         1947          0.60        212
## 321           20         1215         1947          0.60        212
## 322           20          876         1356          0.55        212
## 323           20          609          900          0.48        212
## 324           20          609          900          0.48        212
## 325           20         1406         1584          0.13        212
## 326           20         1406         1584          0.13        212
## 327           20         1406         1584          0.13        212
## 328           20         1247         1407          0.13        212
## 329           20         1247         1407          0.13        212
## 330           20         1247         1407          0.13        212
## 331           20          563          619          0.10        212
## 332           20          563          619          0.10        212
## 333           20          563          619          0.10        212
## 334           20          563          619          0.10        212
## 335           20         1431         1564          0.09        212
## 336           20         1431         1564          0.09        212
## 337           20         1431         1564          0.09        212
## 338           20         1431         1564          0.09        212
## 339           19         2918         3972          0.36        228
## 340           19         2918         3972          0.36        228
## 341           19         2918         3972          0.36        228
## 342           19         2581         2781          0.08        228
## 343           19         2860         3063          0.07        228
## 344           19         3026         3226          0.07        228
## 345           19         3026         3226          0.07        228
## 346           19         3026         3226          0.07        228
## 347           19         3057         3167          0.04        228
## 348           19         3057         3167          0.04        228
## 349           19         3057         3167          0.04        228
## 350           19         3414         3524          0.03        228
## 351           19         3414         3524          0.03        228
## 352           19         3414         3524          0.03        228
## 353           19         3414         3524          0.03        228
## 354           19         3215         3325          0.03        198
## 355           19         3215         3325          0.03        198
## 356           19         3215         3325          0.03        198
## 357           19         3215         3325          0.03        198
## 358           19         3480         3589          0.03        228
## 359           19         3480         3589          0.03        228
## 360           19         3480         3589          0.03        228
## 361           19         3593         3702          0.03        198
## 362           19         3593         3702          0.03        198
## 363           19         3159         3243          0.03        228
## 364           19         3159         3243          0.03        228
## 365           19         3159         3243          0.03        228
## 366           19         3159         3243          0.03        228
## 367           19         3102         7414          1.39        227
## 368           19         3102         7414          1.39        227
## 369           19         3102         7414          1.39        227
## 370           19         2166         2470          0.14        227
## 371           19         2166         2470          0.14        227
## 372           19         2166         2470          0.14        227
## 373           19          649         1152          0.77        227
## 374           19          575          853          0.48        227
## 375           19          575          853          0.48        227
## 376           19          797          826          0.04        227
## 377           19          524          797          0.52        227
## 378           19          582          797          0.37        227
## 379           21          167          483          1.89        140
## 380           21          167          483          1.89        140
## 381           21          167          483          1.89        140
## 382           21          139          398          1.87        140
## 383           21          149          398          1.67        140
## 384           21          197          520          1.64        140
## 385           21          211          534          1.53        140
## 386           21          139          318          1.29        140
## 387           21          118          267          1.26        140
## 388           21          118          267          1.26        140
## 389           21          118          267          1.26        140
## 390           21          108          228          1.11        140
## 391           21          108          228          1.11        140
## 392           21          108          228          1.11        140
## 393           21          297          620          1.09        140
## 394           21          234          483          1.06        140
## 395           21          156          318          1.04        140
## 396           21          156          318          1.04        140
## 397           21          324          620          0.91        140
## 398           21          147          267          0.81        140
## 399           21          127          228          0.79        140
## 400           21          154          267          0.74        140
## 401           21          154          267          0.74        140
## 402           21          154          267          0.74        140
## 403           21          154          267          0.74        140
## 404           21          322          483          0.50        140
## 405           21          594          696          0.17        140
## 406           19          648         1710          1.64        240
## 407           19          648         1710          1.64        240
## 408           19          700         1710          1.44        240
## 409           19         1094         1710          0.56        240
## 410           20          505         1004          0.99        369
## 411           20          505         1004          0.99        369
## 412           20          505         1004          0.99        369
## 413           20          505         1004          0.99        369
## 414           20          505         1004          0.99        369
## 415           20          505         1004          0.99        369
## 416           20          505         1004          0.99        369
## 417           20          505         1004          0.99        369
## 418           20          690         1110          0.61        369
## 419           20          690         1110          0.61        369
## 420           20          690         1110          0.61        369
## 421           20          690         1110          0.61        369
## 422           20          690         1110          0.61        369
## 423           20          690         1110          0.61        369
## 424           20          690         1110          0.61        369
## 425           20          690         1110          0.61        369
## 426           19         1522         3289          1.16        427
## 427           19         1522         3289          1.16        427
## 428           19         2581         2781          0.08        427
## 429           19         2581         2781          0.08        427
## 430           19         2996         3196          0.07        427
## 431           19         2996         3196          0.07        427
## 432           19         2996         3196          0.07        427
## 433           19         2979         3088          0.04        427
## 434           19         2979         3088          0.04        427
## 435           19         2979         3088          0.04        427
## 436           19         2979         3088          0.04        427
## 437           19         3593         3702          0.03        427
## 438           19         3593         3702          0.03        427
## 439           19         3220         3289          0.02        427
## 440           21          201          545          1.71        170
## 441           21          148          397          1.68        170
## 442           21          148          397          1.68        170
## 443           21          187          430          1.30        170
## 444           21          187          430          1.30        170
## 445           21          187          430          1.30        170
## 446           21          187          430          1.30        170
## 447           21          245          545          1.22        170
## 448           21          234          483          1.07        170
## 449           21          172          304          0.77        170
## 450           21          172          304          0.77        170
## 451           21          172          304          0.77        170
## 452           21          293          483          0.65        170
## 453           21          281          451          0.60        170
## 454           21          295          464          0.58        170
## 455           21          380          550          0.45        170
## 456           21          380          550          0.45        170
## 457           21          505          696          0.38        170
## 458           21          510          569          0.12        170
##     PitchDifference WidthDifference PercentPremiumSeats
## 1                 7               1               24.69
## 2                 7               1               24.69
## 3                 7               1               24.69
## 4                 7               1               24.69
## 5                 7               1               24.69
## 6                 7               1               24.69
## 7                 7               1               24.69
## 8                 7               1               24.69
## 9                 7               1               24.69
## 10                7               1               24.69
## 11                7               1               24.69
## 12                7               1               24.69
## 13                7               1               24.69
## 14                7               1               24.69
## 15                7               1               24.69
## 16                7               1               24.69
## 17                7               1               24.69
## 18                7               1               24.69
## 19                7               1               24.69
## 20                7               1               24.69
## 21                7               1               24.69
## 22                7               1               24.69
## 23                7               1               24.69
## 24                7               1               24.69
## 25                7               1               24.69
## 26                7               1               24.69
## 27                7               1               24.69
## 28                7               1               24.69
## 29                7               1               24.69
## 30                7               1               24.69
## 31                7               1               24.69
## 32                7               1               24.69
## 33                7               1               24.69
## 34                7               1               24.69
## 35                7               1               24.69
## 36                7               1               24.69
## 37                7               1               24.69
## 38                7               1               24.69
## 39                7               1               24.69
## 40                7               1               24.69
## 41                7               1               24.69
## 42                7               1               24.69
## 43                7               1               24.69
## 44                7               1               24.69
## 45                7               1               24.69
## 46                7               1               24.69
## 47                7               1               24.69
## 48                7               1               24.69
## 49                7               1               24.69
## 50                7               1               24.69
## 51                7               1               24.69
## 52                7               1               23.49
## 53                7               1               23.49
## 54                7               1               23.49
## 55                7               1               23.49
## 56                7               1               23.49
## 57                7               1               23.49
## 58                7               1               23.49
## 59                7               1               23.49
## 60                7               1               23.49
## 61                7               1               23.49
## 62                7               3               20.60
## 63                7               3               20.60
## 64                7               3               20.60
## 65                7               3               20.60
## 66                7               3               20.60
## 67                7               3               20.60
## 68                7               3               20.60
## 69                7               3               20.60
## 70                7               3               20.60
## 71                7               3               20.60
## 72                7               3               20.60
## 73                7               3               20.60
## 74                3               0               20.41
## 75                3               0               20.41
## 76                3               0               20.41
## 77                3               0               20.41
## 78                3               0               20.41
## 79                3               0               20.41
## 80                3               0               20.41
## 81                3               0               20.41
## 82                7               1               18.73
## 83                7               1               18.73
## 84                7               1               18.73
## 85                7               1               18.73
## 86                7               1               18.73
## 87                7               1               18.73
## 88                7               1               18.73
## 89                7               1               18.73
## 90               10               4               16.87
## 91               10               4               16.87
## 92               10               4               16.87
## 93               10               4               16.87
## 94               10               4               16.87
## 95               10               4               16.87
## 96               10               4               16.87
## 97               10               4               16.87
## 98                2               0               16.46
## 99                7               1               15.36
## 100               7               1               15.36
## 101               7               1               15.36
## 102               7               1               15.36
## 103               7               1               15.36
## 104               7               1               15.36
## 105               7               1               15.36
## 106               7               1               15.36
## 107               7               1               15.36
## 108               7               1               15.36
## 109               7               1               15.36
## 110               7               1               15.36
## 111               7               1               15.36
## 112               7               1               15.36
## 113               7               1               15.36
## 114               7               1               15.36
## 115               7               1               15.36
## 116               7               1               15.36
## 117               7               1               15.36
## 118               7               1               15.36
## 119               7               1               15.36
## 120               7               1               15.36
## 121               7               1               15.36
## 122               7               1               15.36
## 123               7               1               15.36
## 124               7               1               15.36
## 125               7               1               15.36
## 126               7               1               15.36
## 127               7               1               15.36
## 128               7               1               15.36
## 129               7               1               15.36
## 130               7               1               15.36
## 131               7               1               15.36
## 132               7               1               15.36
## 133               7               1               15.36
## 134               7               1               15.36
## 135               7               1               15.36
## 136               7               1               15.36
## 137               7               1               15.36
## 138               7               1               15.36
## 139               7               1               15.36
## 140               7               1               15.36
## 141               7               1               15.36
## 142               7               1               15.36
## 143               7               1               15.36
## 144               7               1               15.36
## 145               7               1               15.36
## 146               7               1               15.36
## 147               7               1               15.36
## 148               7               1               15.36
## 149               7               1               15.36
## 150               7               1               14.99
## 151               7               1               15.36
## 152               3               0               14.50
## 153               3               0               14.50
## 154               3               0               14.50
## 155               3               0               14.50
## 156               7               3               15.02
## 157               7               3               15.02
## 158               7               3               15.02
## 159               7               3               15.02
## 160               7               3               15.02
## 161               7               3               15.02
## 162               7               3               15.02
## 163               7               3               15.02
## 164               7               3               14.97
## 165               7               3               14.97
## 166               7               3               14.97
## 167               7               3               14.97
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## 174               7               3               14.97
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## 179               7               3               15.02
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## 181               7               3               15.02
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## 183               7               3               15.02
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## 207               7               3               14.02
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## 209               7               3               14.02
## 210               7               3               14.02
## 211               7               3               14.02
## 212               6               1               12.50
## 213               6               1               12.50
## 214               6               1               12.50
## 215               6               1               12.50
## 216               6               1               12.50
## 217               6               1               12.50
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## 228               6               1               12.50
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## 232               6               1               12.50
## 233               6               1               12.50
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## 235               6               1               12.50
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## 241               7               1               12.90
## 242               7               1               12.90
## 243               7               1               12.90
## 244               7               1               12.90
## 245               7               1               12.90
## 246               7               1               12.90
## 247               7               1               12.90
## 248               7               1               12.90
## 249               7               1               12.90
## 250               7               1               12.90
## 251               7               1               12.90
## 252               7               1               12.90
## 253               7               1               12.90
## 254               7               1               12.90
## 255               7               1               12.90
## 256               7               1               12.90
## 257               7               1               12.90
## 258               7               1               12.90
## 259               7               1               12.90
## 260               7               1               12.90
## 261               7               1               12.90
## 262               7               1               12.90
## 263               7               1               12.90
## 264               7               1               12.90
## 265               7               1               12.90
## 266               7               1               12.90
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## 276               7               1               12.90
## 277               7               1               12.90
## 278               7               1               12.90
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## 284               2               0               12.50
## 285               2               0               12.50
## 286               3               0               13.13
## 287               3               0               13.13
## 288               3               0               13.13
## 289               2               0               12.50
## 290               2               0               12.50
## 291               2               0               12.50
## 292               3               0               13.13
## 293               2               0               12.50
## 294               2               0               12.50
## 295               2               0               12.82
## 296               2               0               13.04
## 297               2               0               13.04
## 298               2               0               12.82
## 299               2               0               12.82
## 300               2               0               12.50
## 301               2               0               12.82
## 302               2               0               13.04
## 303               2               0               13.04
## 304               2               0               12.50
## 305               2               0               12.82
## 306               2               0               13.04
## 307               2               0               12.50
## 308               6               1               12.50
## 309               6               1               12.50
## 310               6               1               12.50
## 311               6               1               12.50
## 312               6               1               12.50
## 313               6               1               12.50
## 314               6               1               12.50
## 315               6               1               13.21
## 316               6               1               13.21
## 317               6               1               13.21
## 318               6               1               13.21
## 319               6               1               13.21
## 320               6               1               13.21
## 321               6               1               13.21
## 322               6               1               13.21
## 323               6               1               13.21
## 324               6               1               13.21
## 325               6               1               13.21
## 326               6               1               13.21
## 327               6               1               13.21
## 328               6               1               13.21
## 329               6               1               13.21
## 330               6               1               13.21
## 331               6               1               13.21
## 332               6               1               13.21
## 333               6               1               13.21
## 334               6               1               13.21
## 335               6               1               13.21
## 336               6               1               13.21
## 337               6               1               13.21
## 338               6               1               13.21
## 339               6               2               12.28
## 340               6               2               12.28
## 341               6               2               12.28
## 342               6               2               12.28
## 343               6               2               12.28
## 344               6               2               12.28
## 345               6               2               12.28
## 346               6               2               12.28
## 347               6               2               12.28
## 348               6               2               12.28
## 349               6               2               12.28
## 350               6               2               12.28
## 351               6               2               12.28
## 352               6               2               12.28
## 353               6               2               12.28
## 354               6               2               12.12
## 355               6               2               12.12
## 356               6               2               12.12
## 357               6               2               12.12
## 358               6               2               12.28
## 359               6               2               12.28
## 360               6               2               12.28
## 361               6               2               12.12
## 362               6               2               12.12
## 363               6               2               12.28
## 364               6               2               12.28
## 365               6               2               12.28
## 366               6               2               12.28
## 367               7               1               10.57
## 368               7               1               10.57
## 369               7               1               10.57
## 370               7               1               10.57
## 371               7               1               10.57
## 372               7               1               10.57
## 373               7               1               10.57
## 374               7               1               10.57
## 375               7               1               10.57
## 376               7               1               10.57
## 377               7               1               10.57
## 378               7               1               10.57
## 379              10               4               11.43
## 380              10               4               11.43
## 381              10               4               11.43
## 382              10               4               11.43
## 383              10               4               11.43
## 384              10               4               11.43
## 385              10               4               11.43
## 386              10               4               11.43
## 387              10               4               11.43
## 388              10               4               11.43
## 389              10               4               11.43
## 390              10               4               11.43
## 391              10               4               11.43
## 392              10               4               11.43
## 393              10               4               11.43
## 394              10               4               11.43
## 395              10               4               11.43
## 396              10               4               11.43
## 397              10               4               11.43
## 398              10               4               11.43
## 399              10               4               11.43
## 400              10               4               11.43
## 401              10               4               11.43
## 402              10               4               11.43
## 403              10               4               11.43
## 404              10               4               11.43
## 405              10               4               11.43
## 406               6               2               10.00
## 407               6               2               10.00
## 408               6               2               10.00
## 409               6               2               10.00
## 410               6               1                9.76
## 411               6               1                9.76
## 412               6               1                9.76
## 413               6               1                9.76
## 414               6               1                9.76
## 415               6               1                9.76
## 416               6               1                9.76
## 417               6               1                9.76
## 418               6               1                9.76
## 419               6               1                9.76
## 420               6               1                9.76
## 421               6               1                9.76
## 422               6               1                9.76
## 423               6               1                9.76
## 424               6               1                9.76
## 425               6               1                9.76
## 426               6               1                8.90
## 427               6               1                8.90
## 428               6               1                8.90
## 429               6               1                8.90
## 430               6               1                8.90
## 431               6               1                8.90
## 432               6               1                8.90
## 433               6               1                8.90
## 434               6               1                8.90
## 435               6               1                8.90
## 436               6               1                8.90
## 437               6               1                8.90
## 438               6               1                8.90
## 439               6               1                8.90
## 440              10               4                4.71
## 441              10               4                4.71
## 442              10               4                4.71
## 443              10               4                4.71
## 444              10               4                4.71
## 445              10               4                4.71
## 446              10               4                4.71
## 447              10               4                4.71
## 448              10               4                4.71
## 449              10               4                4.71
## 450              10               4                4.71
## 451              10               4                4.71
## 452              10               4                4.71
## 453              10               4                4.71
## 454              10               4                4.71
## 455              10               4                4.71
## 456              10               4                4.71
## 457              10               4                4.71
## 458              10               4                4.71

SUMMARY OF THE DATA

summary(airline)
##       Airline      Aircraft   FlightDuration   TravelMonth
##  AirFrance: 74   AirBus:151   Min.   : 1.250   Aug:127    
##  British  :175   Boeing:307   1st Qu.: 4.260   Jul: 75    
##  Delta    : 46                Median : 7.790   Oct:127    
##  Jet      : 61                Mean   : 7.578   Sep:129    
##  Singapore: 40                3rd Qu.:10.620              
##  Virgin   : 62                Max.   :14.660              
##       IsInternational  SeatsEconomy    SeatsPremium    PitchEconomy  
##  Domestic     : 40    Min.   : 78.0   Min.   : 8.00   Min.   :30.00  
##  International:418    1st Qu.:133.0   1st Qu.:21.00   1st Qu.:31.00  
##                       Median :185.0   Median :36.00   Median :31.00  
##                       Mean   :202.3   Mean   :33.65   Mean   :31.22  
##                       3rd Qu.:243.0   3rd Qu.:40.00   3rd Qu.:32.00  
##                       Max.   :389.0   Max.   :66.00   Max.   :33.00  
##   PitchPremium    WidthEconomy    WidthPremium    PriceEconomy 
##  Min.   :34.00   Min.   :17.00   Min.   :17.00   Min.   :  65  
##  1st Qu.:38.00   1st Qu.:18.00   1st Qu.:19.00   1st Qu.: 413  
##  Median :38.00   Median :18.00   Median :19.00   Median :1242  
##  Mean   :37.91   Mean   :17.84   Mean   :19.47   Mean   :1327  
##  3rd Qu.:38.00   3rd Qu.:18.00   3rd Qu.:21.00   3rd Qu.:1909  
##  Max.   :40.00   Max.   :19.00   Max.   :21.00   Max.   :3593  
##   PricePremium    PriceRelative      SeatsTotal  PitchDifference 
##  Min.   :  86.0   Min.   :0.0200   Min.   : 98   Min.   : 2.000  
##  1st Qu.: 528.8   1st Qu.:0.1000   1st Qu.:166   1st Qu.: 6.000  
##  Median :1737.0   Median :0.3650   Median :227   Median : 7.000  
##  Mean   :1845.3   Mean   :0.4872   Mean   :236   Mean   : 6.688  
##  3rd Qu.:2989.0   3rd Qu.:0.7400   3rd Qu.:279   3rd Qu.: 7.000  
##  Max.   :7414.0   Max.   :1.8900   Max.   :441   Max.   :10.000  
##  WidthDifference PercentPremiumSeats
##  Min.   :0.000   Min.   : 4.71      
##  1st Qu.:1.000   1st Qu.:12.28      
##  Median :1.000   Median :13.21      
##  Mean   :1.633   Mean   :14.65      
##  3rd Qu.:3.000   3rd Qu.:15.36      
##  Max.   :4.000   Max.   :24.69

STRUCTURE OF THE DATA

str(airline)
## 'data.frame':    458 obs. of  18 variables:
##  $ Airline            : Factor w/ 6 levels "AirFrance","British",..: 2 2 2 2 2 2 2 2 2 2 ...
##  $ Aircraft           : Factor w/ 2 levels "AirBus","Boeing": 2 2 2 2 2 2 2 2 2 2 ...
##  $ FlightDuration     : num  12.25 12.25 12.25 12.25 8.16 ...
##  $ TravelMonth        : Factor w/ 4 levels "Aug","Jul","Oct",..: 2 1 4 3 1 4 3 1 4 4 ...
##  $ IsInternational    : Factor w/ 2 levels "Domestic","International": 2 2 2 2 2 2 2 2 2 2 ...
##  $ SeatsEconomy       : int  122 122 122 122 122 122 122 122 122 122 ...
##  $ SeatsPremium       : int  40 40 40 40 40 40 40 40 40 40 ...
##  $ PitchEconomy       : int  31 31 31 31 31 31 31 31 31 31 ...
##  $ PitchPremium       : int  38 38 38 38 38 38 38 38 38 38 ...
##  $ WidthEconomy       : int  18 18 18 18 18 18 18 18 18 18 ...
##  $ WidthPremium       : int  19 19 19 19 19 19 19 19 19 19 ...
##  $ PriceEconomy       : int  2707 2707 2707 2707 1793 1793 1793 1476 1476 1705 ...
##  $ PricePremium       : int  3725 3725 3725 3725 2999 2999 2999 2997 2997 2989 ...
##  $ PriceRelative      : num  0.38 0.38 0.38 0.38 0.67 0.67 0.67 1.03 1.03 0.75 ...
##  $ SeatsTotal         : int  162 162 162 162 162 162 162 162 162 162 ...
##  $ PitchDifference    : int  7 7 7 7 7 7 7 7 7 7 ...
##  $ WidthDifference    : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ PercentPremiumSeats: num  24.7 24.7 24.7 24.7 24.7 ...

MEAN, MEDIAN AND STANDARD DEVIATION OF EACH VARIABLE

library(psych)
describe(airline)[,1:5]
##                     vars   n    mean      sd  median
## Airline*               1 458    3.01    1.65    2.00
## Aircraft*              2 458    1.67    0.47    2.00
## FlightDuration         3 458    7.58    3.54    7.79
## TravelMonth*           4 458    2.56    1.17    3.00
## IsInternational*       5 458    1.91    0.28    2.00
## SeatsEconomy           6 458  202.31   76.37  185.00
## SeatsPremium           7 458   33.65   13.26   36.00
## PitchEconomy           8 458   31.22    0.66   31.00
## PitchPremium           9 458   37.91    1.31   38.00
## WidthEconomy          10 458   17.84    0.56   18.00
## WidthPremium          11 458   19.47    1.10   19.00
## PriceEconomy          12 458 1327.08  988.27 1242.00
## PricePremium          13 458 1845.26 1288.14 1737.00
## PriceRelative         14 458    0.49    0.45    0.36
## SeatsTotal            15 458  235.96   85.29  227.00
## PitchDifference       16 458    6.69    1.76    7.00
## WidthDifference       17 458    1.63    1.19    1.00
## PercentPremiumSeats   18 458   14.65    4.84   13.21

EFFECT OF TRAVEL MONTH ON THE PRICE OF ECONOMY TICKETS

air.mean2 <- aggregate( airline$PriceEconomy ~ airline$TravelMonth, data = airline, mean)
air.mean2
##   airline$TravelMonth airline$PriceEconomy
## 1                 Aug             1344.661
## 2                 Jul             1280.493
## 3                 Oct             1295.370
## 4                 Sep             1368.062
library("lattice")

bwplot(airline$TravelMonth ~ airline$PriceEconomy, data = airline, horizontal = TRUE, xlab = "Average Price Of Economy Tickects")

## EFFECT OF TRAVEL MONTH ON THE PRICE OF PREMIUM TICKET

air.mean3 <- aggregate( airline$PricePremium ~ airline$TravelMonth, data = airline, mean)
air.mean3
##   airline$TravelMonth airline$PricePremium
## 1                 Aug             1871.126
## 2                 Jul             1743.427
## 3                 Oct             1836.055
## 4                 Sep             1888.054
bwplot(airline$TravelMonth ~ airline$PricePremium, data = airline, horizontal = TRUE, xlab = "Average Price of Premium Tickets")

## EFFECT ON THE TYPE OF AIRLINES ON THE PRICE OF ECONOMY TICKET

air.mean <- aggregate( airline$PriceEconomy ~ airline$Airline, data = airline, mean)
air.mean
##   airline$Airline airline$PriceEconomy
## 1       AirFrance            2769.7838
## 2         British            1293.4800
## 3           Delta             560.9348
## 4             Jet             276.1639
## 5       Singapore             860.2500
## 6          Virgin            1603.5323
barchart(airline$PriceEconomy ~ airline$Airline , data = air.mean, col="yellow")

## ## EFFECT ON THE TYPE OF AIRLINES ON THE PRICE OF PREMIUM TICKET

air.mean1 <- aggregate( airline$PricePremium ~ airline$Airline, data = airline, mean)
air.mean1
##   airline$Airline airline$PricePremium
## 1       AirFrance            3065.2162
## 2         British            1937.0286
## 3           Delta             684.6739
## 4             Jet             483.3607
## 5       Singapore            1239.9250
## 6          Virgin            2721.6935
barchart(airline$PricePremium ~ airline$Airline , data = air.mean1, col="blue")

EFFECT OF FILIGHT DURATION ON THE PRICE OF ECONOMY AND PREMIUM TICKETS

hist(airline$FlightDuration)

mean(airline$FlightDuration)
## [1] 7.577838

ECONOMY

attach(airline)
ECONOMY <- airline[ which( airline$FlightDuration > 7.5, airline$SeatsEconomy),c(1,3,6,12) ]
ECONOMY
##       Airline FlightDuration SeatsEconomy PriceEconomy
## 1     British          12.25          122         2707
## 2     British          12.25          122         2707
## 3     British          12.25          122         2707
## 4     British          12.25          122         2707
## 5     British           8.16          122         1793
## 6     British           8.16          122         1793
## 7     British           8.16          122         1793
## 10    British          11.50          122         1705
## 11    British          11.50          122         1705
## 12    British          11.50          122         1911
## 13    British          11.50          122         2378
## 14    British          11.58          122         1750
## 15    British          11.58          122         1750
## 16    British          11.58          122         1750
## 17    British           9.16          122         1813
## 18    British           9.16          122         1813
## 19    British           9.16          122         1813
## 26    British           8.75          122         1542
## 27    British           8.75          122         1566
## 28    British           8.75          122         1566
## 36    British          13.50          122          940
## 37    British          13.50          122          940
## 38    British          13.50          122          940
## 46    British           8.25          122         1123
## 47    British           8.25          122         1123
## 48    British           8.25          122         1123
## 49    British          12.75          122          509
## 50    British          12.75          122          509
## 51    British          12.75          122          509
## 53    British          11.08          127         2156
## 54    British          11.08          127         2156
## 55    British          11.08          127         2156
## 59    British          12.50          127         1038
## 60    British          12.05          127         1038
## 61    British          12.50          127          509
## 62     Virgin           8.00          185         1813
## 63     Virgin           8.00          185         1813
## 64     Virgin           8.00          185         1813
## 65     Virgin           8.00          185         1813
## 66     Virgin           8.83          185         2052
## 67     Virgin           8.83          185         2052
## 68     Virgin           8.83          185         2052
## 69     Virgin           8.83          185         2052
## 73     Virgin           7.75          185          540
## 86    British           7.58          243         1824
## 87    British           7.58          243         1824
## 88    British           7.58          243         1824
## 89    British           7.58          243         1823
## 99    British          11.16          303         2384
## 100   British          11.16          303         2384
## 101   British          11.16          303         2384
## 102   British          11.16          303         2384
## 103   British          10.50          303         1848
## 104   British          10.50          303         1848
## 105   British          10.50          303         1848
## 106   British          10.50          303         1848
## 107   British          13.08          303         1758
## 108   British          13.08          303         1758
## 109   British          13.08          303         1758
## 110   British          11.16          303          719
## 111   British          11.16          303          719
## 112   British          11.16          303         1198
## 156    Virgin          11.25          198          574
## 157    Virgin          11.25          198          574
## 158    Virgin          11.25          198          574
## 159    Virgin          11.25          198          574
## 160    Virgin          12.08          198         1086
## 161    Virgin          12.08          198         1086
## 162    Virgin          12.08          198         1086
## 163    Virgin          12.08          198         1247
## 164    Virgin           9.91          375         1781
## 165    Virgin           9.91          375         1781
## 166    Virgin           9.91          375         1781
## 167    Virgin           9.91          375         1781
## 168    Virgin          10.83          198         1580
## 169    Virgin          10.83          198         1580
## 170    Virgin          10.83          198         1580
## 171    Virgin          10.83          198         1580
## 172    Virgin          10.41          198         1903
## 173    Virgin          12.58          198         1096
## 174    Virgin          10.75          375         2445
## 175    Virgin          10.75          375         2445
## 176    Virgin          10.75          375         2445
## 177    Virgin          10.75          375         2445
## 178    Virgin          12.58          198          975
## 179    Virgin          11.33          198         2369
## 180    Virgin           7.66          198         1811
## 181    Virgin           7.66          198         1811
## 182    Virgin           7.66          198         1811
## 183    Virgin           7.66          198         1811
## 184    Virgin          12.58          198         1356
## 185     Delta           8.33          233         1778
## 186     Delta           8.33          233         1778
## 187     Delta           9.50          233         1999
## 188     Delta           9.50          233         1999
## 189     Delta           9.50          233         1999
## 190     Delta           8.33          233         1985
## 199    Virgin          10.41          233         1903
## 200    Virgin          10.41          233         1903
## 201    Virgin          10.41          233         1903
## 202    Virgin          11.33          233         2369
## 203    Virgin          11.33          233         2369
## 209    Virgin           7.75          233          540
## 210    Virgin           7.75          233          540
## 211    Virgin           7.75          233          540
## 212 AirFrance           9.50          147          630
## 213 AirFrance           9.50          147          743
## 214 AirFrance           9.50          147          990
## 215 AirFrance           8.33          147         2659
## 216 AirFrance           8.33          147         2659
## 217 AirFrance           8.33          147         2659
## 218 AirFrance           8.33          147         2659
## 219 AirFrance           8.33          147         2659
## 220 AirFrance           8.33          147         2659
## 221 AirFrance           8.33          147         2659
## 222 AirFrance           8.33          147         2659
## 228 AirFrance           8.91          147         2609
## 229 AirFrance           8.91          147         2609
## 230 AirFrance           8.91          147         2609
## 231 AirFrance           8.08          147         2813
## 232 AirFrance           9.18          147         3165
## 233 AirFrance           9.18          147         3165
## 234 AirFrance           9.25          147         3165
## 235 AirFrance           9.25          147         3165
## 236 AirFrance           9.16          147         3165
## 237 AirFrance           9.16          147         3165
## 238 AirFrance           9.25          147         3165
## 239 AirFrance           9.25          147         3165
## 240   British          10.41          243         1651
## 241   British          10.41          243         1651
## 242   British          10.41          243         2775
## 243   British          11.00          243         2230
## 244   British          11.00          243         2230
## 245   British          11.00          243         2230
## 246   British           9.91          243         2356
## 247   British           9.91          243         2356
## 248   British           9.91          243         2356
## 249   British           9.91          243         2356
## 250   British           8.58          243         1562
## 251   British           8.58          243         1562
## 252   British           8.58          243         1562
## 253   British          11.41          243         2281
## 254   British          11.41          243         2281
## 255   British          11.41          243         2281
## 256   British          11.41          243         2281
## 257   British           9.33          243         1813
## 258   British           9.33          243         1813
## 259   British           9.33          243         1813
## 260   British           8.91          243         1140
## 261   British           8.66          243         1609
## 262   British           8.66          243         1609
## 263   British           8.66          243         1609
## 267   British           8.91          243         1140
## 271   British          11.41          243          846
## 272   British          11.41          243          846
## 273   British          11.41          243          937
## 274   British          11.41          243         1485
## 275   British           8.91          243          891
## 276   British          11.08          243         1323
## 277   British          11.08          243         1023
## 278   British          11.08          243         1023
## 280   British          11.08          243          533
## 308       Jet           9.50          147          336
## 309       Jet           9.50          147          429
## 310       Jet           9.50          147          462
## 311       Jet           8.91          147          557
## 312       Jet           8.91          147          557
## 313       Jet           9.50          147          661
## 314       Jet           8.91          147          676
## 315 Singapore          13.91          184          794
## 316 Singapore          13.91          184          794
## 317 Singapore          13.91          184          794
## 318 Singapore          13.91          184          794
## 319 Singapore          12.41          184         1215
## 320 Singapore          12.41          184         1215
## 321 Singapore          12.41          184         1215
## 322 Singapore          10.83          184          876
## 323 Singapore          10.83          184          609
## 324 Singapore          10.83          184          609
## 325 Singapore          14.66          184         1406
## 326 Singapore          14.66          184         1406
## 327 Singapore          14.66          184         1406
## 328 Singapore           9.66          184         1247
## 329 Singapore           9.66          184         1247
## 330 Singapore           9.66          184         1247
## 335 Singapore          12.75          184         1431
## 336 Singapore          12.75          184         1431
## 337 Singapore          12.75          184         1431
## 338 Singapore          12.75          184         1431
## 339 AirFrance           8.33          200         2918
## 340 AirFrance           8.33          200         2918
## 341 AirFrance           8.33          200         2918
## 344 AirFrance           8.75          200         3026
## 345 AirFrance           8.75          200         3026
## 346 AirFrance           8.75          200         3026
## 347 AirFrance           7.66          200         3057
## 350 AirFrance           9.50          200         3414
## 351 AirFrance           9.50          200         3414
## 352 AirFrance           9.50          200         3414
## 353 AirFrance           9.50          200         3414
## 354 AirFrance           7.75          174         3215
## 355 AirFrance           7.75          174         3215
## 356 AirFrance           7.75          174         3215
## 357 AirFrance           7.83          174         3215
## 358 AirFrance           9.41          200         3480
## 359 AirFrance           9.41          200         3480
## 360 AirFrance           9.41          200         3480
## 361 AirFrance          11.75          174         3593
## 362 AirFrance          11.75          174         3593
## 363 AirFrance          11.91          200         3159
## 364 AirFrance          11.91          200         3159
## 365 AirFrance          11.91          200         3159
## 366 AirFrance          11.91          200         3159
## 367   British          13.83          203         3102
## 368   British          13.83          203         3102
## 369   British          13.83          203         3102
## 370   British          13.33          203         2166
## 371   British          13.33          203         2166
## 372   British          13.33          203         2166
## 373   British           8.91          203          649
## 374   British           8.91          203          575
## 375   British           8.91          203          575
## 376   British           9.58          203          797
## 377   British           9.58          203          524
## 378   British           9.58          203          582
## 410 Singapore          13.33          333          505
## 411 Singapore          13.33          333          505
## 412 Singapore          13.33          333          505
## 413 Singapore          13.33          333          505
## 418 Singapore          12.66          333          690
## 419 Singapore          12.66          333          690
## 420 Singapore          12.66          333          690
## 421 Singapore          12.66          333          690
## 426 AirFrance          13.00          389         1522
## 427 AirFrance          13.00          389         1522
## 430 AirFrance          10.66          389         2996
## 431 AirFrance          10.66          389         2996
## 432 AirFrance          10.66          389         2996
## 433 AirFrance           8.41          389         2979
## 434 AirFrance           8.50          389         2979
## 435 AirFrance           8.50          389         2979
## 436 AirFrance           8.50          389         2979
## 437 AirFrance          11.50          389         3593
## 438 AirFrance          11.50          389         3593
## 439 AirFrance          13.00          389         3220
newdata <- airline[order(PriceEconomy),c(1,3,6,12)] 
newdata[1:10,]
##     Airline FlightDuration SeatsEconomy PriceEconomy
## 151 British           1.33          303           65
## 149 British           1.25          303           69
## 150 British           2.41          312           74
## 147 British           1.33          303           77
## 148 British           1.33          303           77
## 146 British           2.83          303           97
## 145 British           3.58          303          104
## 390     Jet           2.66          124          108
## 391     Jet           2.66          124          108
## 392     Jet           2.66          124          108

PREMIUM

PREMIUM <- airline[ which( airline$FlightDuration < 7.5, airline$SeatsPremium),c(1,3,7,13) ]
PREMIUM
##       Airline FlightDuration SeatsPremium PricePremium
## 8     British           6.50           40         2997
## 9     British           6.50           40         2997
## 20    British           6.75           40         2195
## 21    British           6.75           40         2195
## 22    British           6.75           40         2195
## 23    British           6.66           40         2191
## 24    British           6.66           40         2191
## 25    British           6.66           40         2191
## 29    British           4.91           40         1820
## 30    British           4.91           40         1820
## 31    British           4.91           40         1820
## 32    British           3.83           40         1764
## 33    British           3.83           40         1764
## 34    British           3.83           40         1764
## 35    British           3.83           40         1764
## 39    British           3.83           40         1512
## 40    British           3.83           40         1512
## 41    British           3.83           40         1512
## 42    British           3.83           40         1512
## 43    British           5.41           40         1317
## 44    British           5.41           40         1317
## 45    British           5.41           40         1317
## 52    British           6.50           39         2997
## 56    British           6.08           39         2195
## 57    British           6.08           39         2195
## 58    British           6.08           39         2195
## 70     Virgin           7.08           48         2409
## 71     Virgin           7.08           48         2409
## 72     Virgin           7.08           48         2409
## 74      Delta           2.06           20          173
## 75      Delta           2.33           20          204
## 76      Delta           2.06           20          243
## 77      Delta           2.01           20          237
## 78      Delta           2.33           20          231
## 79      Delta           1.75           20          406
## 80      Delta           2.30           20          364
## 81      Delta           2.30           20          596
## 82    British           6.83           56         2982
## 83    British           6.83           56         2982
## 84    British           6.83           56         2982
## 85    British           6.83           56         2982
## 90        Jet           3.08           28          524
## 91        Jet           3.08           28          524
## 92        Jet           3.08           28          524
## 93        Jet           3.08           28          524
## 94        Jet           3.08           28          616
## 95        Jet           3.08           28          616
## 96        Jet           3.08           28          616
## 97        Jet           3.08           28          616
## 98      Delta           4.26           26          497
## 113   British           4.08           55          486
## 114   British           3.58           55          442
## 115   British           3.58           55          442
## 116   British           2.41           55          407
## 117   British           3.25           55          396
## 118   British           3.25           55          396
## 119   British           3.58           55          348
## 120   British           2.66           55          323
## 121   British           2.41           55          319
## 122   British           2.41           55          319
## 123   British           2.41           55          306
## 124   British           3.25           55          285
## 125   British           1.83           55          278
## 126   British           3.58           55          276
## 127   British           4.50           55          263
## 128   British           2.41           55          247
## 129   British           4.50           55          238
## 130   British           1.83           55          237
## 131   British           2.41           55          237
## 132   British           3.58           55          234
## 133   British           4.08           55          211
## 134   British           2.83           55          201
## 135   British           4.50           55          198
## 136   British           1.25           55          175
## 137   British           4.08           55          175
## 138   British           1.25           55          172
## 139   British           2.41           55          165
## 140   British           1.83           55          156
## 141   British           1.83           55          156
## 142   British           1.25           55          141
## 143   British           1.25           55          141
## 144   British           1.25           55          141
## 145   British           3.58           55          131
## 146   British           2.83           55          125
## 147   British           1.33           55           99
## 148   British           1.33           55           99
## 149   British           1.25           55           97
## 150   British           2.41           55           97
## 151   British           1.33           55           86
## 152     Delta           4.33           29          337
## 153     Delta           4.51           29          467
## 154     Delta           4.33           29          527
## 155     Delta           4.51           29          757
## 191    Virgin           6.91           38         2982
## 192    Virgin           6.91           38         2982
## 193    Virgin           6.91           38         2982
## 194    Virgin           6.91           38         2982
## 195    Virgin           6.58           38         2997
## 196    Virgin           6.58           38         2997
## 197    Virgin           6.58           38         2997
## 198    Virgin           6.58           38         2997
## 204    Virgin           7.41           38         2499
## 205    Virgin           7.41           38         2499
## 206    Virgin           7.41           38         2499
## 207    Virgin           7.41           38         2499
## 208    Virgin           7.08           38         2409
## 223 AirFrance           7.33           21         2807
## 224 AirFrance           7.33           21         2807
## 225 AirFrance           7.33           21         2807
## 226 AirFrance           6.83           21         3063
## 227 AirFrance           6.83           21         3063
## 264   British           7.25           36         2278
## 265   British           7.25           36         2278
## 266   British           7.25           36         2278
## 268   British           7.08           36         1866
## 269   British           7.08           36         1866
## 270   British           7.08           36         1866
## 279   British           7.08           36          912
## 281     Delta           4.28           18          327
## 282     Delta           4.25           18          327
## 283     Delta           4.63           18          407
## 284     Delta           4.65           18          407
## 285     Delta           4.66           18          407
## 286     Delta           4.70           21          457
## 287     Delta           4.70           21          457
## 288     Delta           4.70           21          457
## 289     Delta           4.36           18          457
## 290     Delta           4.25           18          457
## 291     Delta           4.43           18          379
## 292     Delta           4.70           21          467
## 293     Delta           4.26           18          362
## 294     Delta           4.40           18          362
## 295     Delta           1.91           20          181
## 296     Delta           1.95           18          181
## 297     Delta           2.26           18          354
## 298     Delta           2.55           20          262
## 299     Delta           2.55           20          262
## 300     Delta           4.63           18          670
## 301     Delta           2.86           20          378
## 302     Delta           1.81           18          308
## 303     Delta           1.83           18          308
## 304     Delta           1.57           18          308
## 305     Delta           2.50           20          660
## 306     Delta           1.80           18          431
## 307     Delta           1.57           18          364
## 331 Singapore           3.83           28          619
## 332 Singapore           3.83           28          619
## 333 Singapore           3.83           28          619
## 334 Singapore           3.83           28          619
## 343 AirFrance           6.83           28         3063
## 348 AirFrance           6.83           28         3167
## 349 AirFrance           6.83           28         3167
## 379       Jet           3.25           16          483
## 380       Jet           3.25           16          483
## 381       Jet           3.25           16          483
## 382       Jet           3.25           16          398
## 383       Jet           3.25           16          398
## 384       Jet           4.16           16          520
## 385       Jet           4.16           16          534
## 386       Jet           4.08           16          318
## 387       Jet           2.50           16          267
## 388       Jet           2.50           16          267
## 389       Jet           2.50           16          267
## 390       Jet           2.66           16          228
## 391       Jet           2.66           16          228
## 392       Jet           2.66           16          228
## 393       Jet           4.16           16          620
## 394       Jet           3.25           16          483
## 395       Jet           4.08           16          318
## 396       Jet           4.16           16          318
## 397       Jet           4.16           16          620
## 398       Jet           2.50           16          267
## 399       Jet           2.66           16          228
## 400       Jet           4.33           16          267
## 401       Jet           4.33           16          267
## 402       Jet           4.33           16          267
## 403       Jet           4.33           16          267
## 404       Jet           3.25           16          483
## 405       Jet           3.25           16          696
## 406 AirFrance           6.91           24         1710
## 407 AirFrance           6.91           24         1710
## 408 AirFrance           6.91           24         1710
## 409 AirFrance           6.91           24         1710
## 414 Singapore           6.16           36         1004
## 415 Singapore           6.16           36         1004
## 416 Singapore           6.16           36         1004
## 417 Singapore           6.16           36         1004
## 422 Singapore           6.50           36         1110
## 423 Singapore           6.50           36         1110
## 424 Singapore           6.50           36         1110
## 425 Singapore           6.50           36         1110
## 440       Jet           5.66            8          545
## 441       Jet           3.16            8          397
## 442       Jet           3.16            8          397
## 443       Jet           5.66            8          430
## 444       Jet           5.66            8          430
## 445       Jet           5.66            8          430
## 446       Jet           5.66            8          430
## 447       Jet           5.66            8          545
## 448       Jet           3.16            8          483
## 449       Jet           2.58            8          304
## 450       Jet           2.58            8          304
## 451       Jet           2.58            8          304
## 452       Jet           3.16            8          483
## 453       Jet           2.58            8          451
## 454       Jet           2.58            8          464
## 455       Jet           2.58            8          550
## 456       Jet           2.58            8          550
## 457       Jet           3.25            8          696
## 458       Jet           2.58            8          569
newdata <- airline[order(PricePremium),c(1,3,7,13)] 
newdata[1:10,]
##     Airline FlightDuration SeatsPremium PricePremium
## 151 British           1.33           55           86
## 149 British           1.25           55           97
## 150 British           2.41           55           97
## 147 British           1.33           55           99
## 148 British           1.33           55           99
## 146 British           2.83           55          125
## 145 British           3.58           55          131
## 142 British           1.25           55          141
## 143 British           1.25           55          141
## 144 British           1.25           55          141

CORRELTAION BETWEEN TICKETS OF ECONOMY AND PREMIUM

library("corrplot")
library("gplots")

plot(airline$PriceEconomy, airline$PricePremium,
     col="blue",
    main = "Economy VS Premium",
     xlab = "ECONOMY", ylab = "PREMIUM")
abline(h=mean(airline$PriceEconomy),col="black", lty="dotted")
abline(v=mean(airline$PricePremium),col="black", lty="dotted")
abline(lm(airline$PriceEconomy ~ airline$PricePremium)) #lm = REGRESSION LINE

Correlation matirx

cor(airline [, c(3,6:18)]) 
##                     FlightDuration SeatsEconomy SeatsPremium PitchEconomy
## FlightDuration          1.00000000  0.195621187  0.161236400   0.29377174
## SeatsEconomy            0.19562119  1.000000000  0.625056587   0.14412692
## SeatsPremium            0.16123640  0.625056587  1.000000000  -0.03421296
## PitchEconomy            0.29377174  0.144126924 -0.034212963   1.00000000
## PitchPremium            0.09621471  0.119221250  0.004883123  -0.55060624
## WidthEconomy            0.45647720  0.373670252  0.455782883   0.29448586
## WidthPremium            0.10343747  0.102431959 -0.002717527  -0.53929285
## PriceEconomy            0.56664039  0.128167220  0.113642176   0.36866123
## PricePremium            0.64873981  0.177000928  0.217612376   0.22614179
## PriceRelative           0.12107501  0.003956939 -0.097196009  -0.42302204
## SeatsTotal              0.20023299  0.992607966  0.715171053   0.12373524
## PitchDifference        -0.03749288  0.035318044  0.016365566  -0.78254993
## WidthDifference        -0.11856070 -0.080670148 -0.216168666  -0.63557430
## PercentPremiumSeats     0.06051625 -0.330935223  0.485029771  -0.10280880
##                     PitchPremium WidthEconomy WidthPremium PriceEconomy
## FlightDuration       0.096214708   0.45647720  0.103437469   0.56664039
## SeatsEconomy         0.119221250   0.37367025  0.102431959   0.12816722
## SeatsPremium         0.004883123   0.45578288 -0.002717527   0.11364218
## PitchEconomy        -0.550606241   0.29448586 -0.539292852   0.36866123
## PitchPremium         1.000000000  -0.02374087  0.750259029   0.05038455
## WidthEconomy        -0.023740873   1.00000000  0.081918728   0.06799061
## WidthPremium         0.750259029   0.08191873  1.000000000  -0.05704522
## PriceEconomy         0.050384550   0.06799061 -0.057045224   1.00000000
## PricePremium         0.088539147   0.15054837  0.064020043   0.90138870
## PriceRelative        0.417539056  -0.04396116  0.504247591  -0.28856711
## SeatsTotal           0.107512784   0.40545860  0.091297500   0.13243313
## PitchDifference      0.950591466  -0.12722421  0.760121272  -0.09952511
## WidthDifference      0.703281797  -0.39320512  0.884149655  -0.08449975
## PercentPremiumSeats -0.175487414   0.22714172 -0.183312058   0.06532232
##                     PricePremium PriceRelative  SeatsTotal PitchDifference
## FlightDuration        0.64873981   0.121075014  0.20023299     -0.03749288
## SeatsEconomy          0.17700093   0.003956939  0.99260797      0.03531804
## SeatsPremium          0.21761238  -0.097196009  0.71517105      0.01636557
## PitchEconomy          0.22614179  -0.423022038  0.12373524     -0.78254993
## PitchPremium          0.08853915   0.417539056  0.10751278      0.95059147
## WidthEconomy          0.15054837  -0.043961160  0.40545860     -0.12722421
## WidthPremium          0.06402004   0.504247591  0.09129750      0.76012127
## PriceEconomy          0.90138870  -0.288567110  0.13243313     -0.09952511
## PricePremium          1.00000000   0.031846537  0.19232533     -0.01806629
## PriceRelative         0.03184654   1.000000000 -0.01156894      0.46873025
## SeatsTotal            0.19232533  -0.011568942  1.00000000      0.03416915
## PitchDifference      -0.01806629   0.468730249  0.03416915      1.00000000
## WidthDifference      -0.01151218   0.485802437 -0.10584398      0.76089108
## PercentPremiumSeats   0.11639097  -0.161565556 -0.22091465     -0.09264869
##                     WidthDifference PercentPremiumSeats
## FlightDuration          -0.11856070          0.06051625
## SeatsEconomy            -0.08067015         -0.33093522
## SeatsPremium            -0.21616867          0.48502977
## PitchEconomy            -0.63557430         -0.10280880
## PitchPremium             0.70328180         -0.17548741
## WidthEconomy            -0.39320512          0.22714172
## WidthPremium             0.88414965         -0.18331206
## PriceEconomy            -0.08449975          0.06532232
## PricePremium            -0.01151218          0.11639097
## PriceRelative            0.48580244         -0.16156556
## SeatsTotal              -0.10584398         -0.22091465
## PitchDifference          0.76089108         -0.09264869
## WidthDifference          1.00000000         -0.27559416
## PercentPremiumSeats     -0.27559416          1.00000000

CORRELETION

attach(airline)
cor.test(PriceEconomy,PricePremium)
## 
##  Pearson's product-moment correlation
## 
## data:  PriceEconomy and PricePremium
## t = 44.452, df = 456, p-value < 2.2e-16
## alternative hypothesis: true correlation is not equal to 0
## 95 percent confidence interval:
##  0.8826622 0.9172579
## sample estimates:
##       cor 
## 0.9013887

CORRERAM

library(corrplot)
library(gplots)

par(mfrow=c(1,1))
corrplot.mixed(corr = cor(airline [, c(3,6:18)]), use = "complete.obs",
               upper = "ellipse",tl.pos= "lt")

H1: THE PRICE OF PREMIUM TICKETS INCREASES WITH THE INCREASE IN THE PRICE OF ECONOMY TICKETS

model1 <- lm(PriceEconomy ~  Airline + PriceRelative + PricePremium + Aircraft + FlightDuration ,  data = airline)
summary(model1)
## 
## Call:
## lm(formula = PriceEconomy ~ Airline + PriceRelative + PricePremium + 
##     Aircraft + FlightDuration, data = airline)
## 
## Residuals:
##      Min       1Q   Median       3Q      Max 
## -1024.60   -91.24   -14.92   115.29   559.36 
## 
## Coefficients:
##                    Estimate Std. Error t value Pr(>|t|)    
## (Intercept)       830.68101   38.54759  21.549  < 2e-16 ***
## AirlineBritish   -621.09359   29.90571 -20.768  < 2e-16 ***
## AirlineDelta     -731.20680   42.86416 -17.059  < 2e-16 ***
## AirlineJet       -348.08863   48.52338  -7.174 3.04e-12 ***
## AirlineSingapore -601.85604   45.41397 -13.253  < 2e-16 ***
## AirlineVirgin    -576.76194   35.48850 -16.252  < 2e-16 ***
## PriceRelative    -684.13345   24.55602 -27.860  < 2e-16 ***
## PricePremium        0.61289    0.01157  52.953  < 2e-16 ***
## AircraftBoeing     73.61584   19.98878   3.683 0.000259 ***
## FlightDuration     18.10282    3.82168   4.737 2.92e-06 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 187.5 on 448 degrees of freedom
## Multiple R-squared:  0.9647, Adjusted R-squared:  0.964 
## F-statistic:  1361 on 9 and 448 DF,  p-value: < 2.2e-16

EXECUTIVE SUMMARY

THE ANALYSIS OF THE CASE STUDY IS SUCH AS :-

FACTORS LIKE TYPE OF AIRLINE, TYPE OF AIRCRAFT, FLIGHT DURATION AND THE FLIGHT RELATIVE CAUSED THE CHANGE IN PRICE OF THE PREMIUM AND ECONOMY TICKETS.

THE PREDICTED EQUATION : PRICE OF ECONOMY TICKET = 830.68 + 621.09/731.20/348.08/601.85/576.76THE TYPE OF AIRLINES + 648.13PRICE RELATIVE + 0.61PRICE OF PREMIUM TICKET + 73.61TYPE OF AIRCRAFT + 18.10*FLIGHT DURATION

THE BETA COEFFICIENTS,THE TYPE OF AIRLINES, PRICE RELATIVE, PRICE OF PREMIUM TICKET, TYPE OF AIRCRAFT AND FLIGHT DURATION ARE HIGHLY STATISTICALLY SIGNIFICANT

The regression coefficient (830.68) is significantly dfferent from zero (p < 0.001)

There is an expected increase of price of 0.61 for every 18 min increase in the flight duration.

THE MULTIPLE R-SQUARED (0.964) INDICATES THAT THE MODEL ACCOUNTS FOR 96.4% OF THE VARIANCE IN the price of the tickets

THE RESIDUAL STANDARD ERROR (187.5) CAN BE THOUGHT OF AS THE AVERAGE ERROR IN PREDICTING THE PRICE OFTHE TICKETS USING THIS MODEL

THE F-STATISITCS PREDICT THAT THE MODEL IS HIGHLY SIGNIFICANT AS P-VALUE IS 2.2e-16 (p< 0.001)