size: Quy mô bữa tiệc (Biến định tính có các cấp độ từ 1 đến 6 biểu
hiện sự biến động từ “nhỏ nhất, nhỏ, trung bình, vừa, lớn và rất
lớn”)
library(AER)
# Lấy dữ liệu của datashet TravelMode
data("TravelMode")
# Gán dữ liệu của TravelMode cho biến d
d <- TravelMode
# Mô tả chi tiết kiểu biến số của datashet TravelMode
str(d)
## 'data.frame': 840 obs. of 9 variables:
## $ individual: Factor w/ 210 levels "1","2","3","4",..: 1 1 1 1 2 2 2 2 3 3 ...
## $ mode : Factor w/ 4 levels "air","train",..: 1 2 3 4 1 2 3 4 1 2 ...
## $ choice : Factor w/ 2 levels "no","yes": 1 1 1 2 1 1 1 2 1 1 ...
## $ wait : int 69 34 35 0 64 44 53 0 69 34 ...
## $ vcost : int 59 31 25 10 58 31 25 11 115 98 ...
## $ travel : int 100 372 417 180 68 354 399 255 125 892 ...
## $ gcost : int 70 71 70 30 68 84 85 50 129 195 ...
## $ income : int 35 35 35 35 30 30 30 30 40 40 ...
## $ size : int 1 1 1 1 2 2 2 2 1 1 ...
# Lấy dữ liệu của 6 dòng đầu của biến d
head(d)
## individual mode choice wait vcost travel gcost income size
## 1 1 air no 69 59 100 70 35 1
## 2 1 train no 34 31 372 71 35 1
## 3 1 bus no 35 25 417 70 35 1
## 4 1 car yes 0 10 180 30 35 1
## 5 2 air no 64 58 68 68 30 2
## 6 2 train no 44 31 354 84 30 2
# Gán tên viết tắt cho các biến để dễ thao tác
names(d) <- c('I','M','C','W','V','T','G','IN','S')
# Lấy dữ liệu của biến V
Vco <- d$V
# Chi phí phương tiện lớn hơn 50
Vco50 <- Vco[Vco>50]
# Chi phí phương tiện lớn hơn 30 và nhỏ hơn 100
Vco30100 <- Vco[Vco>30&Vco<100]
# Lấy dữ liệu của biến T
Tra <- d$T
# Lấy dữ liệu của biến G
Gco <- d$G
#Xem dữ liệu thứ 10 của biến G
Gco[10]
## [1] 195
# Tổng giá trị của V,T và G
tongTVG <- d$T+d$V+d$G
tongTVG
## [1] 229 474 512 220 194 469 509 316 369 1185 1084 844 176 459 501
## [16] 217 286 529 569 707 229 422 488 339 423 1269 1168 982 410 1090
## [31] 1075 965 229 474 512 267 191 457 495 247 194 443 488 250 249
## [46] 494 534 300 222 483 525 286 224 476 516 358 361 1232 1174 1416
## [61] 260 399 532 416 204 359 483 375 229 375 481 397 282 374 533
## [76] 505 223 408 449 382 203 380 468 374 395 626 751 670 400 803
## [91] 718 706 362 801 716 706 242 431 474 346 331 1249 1148 1211 272
## [106] 848 763 722 331 842 828 720 354 454 440 388 229 338 488 341
## [121] 230 367 515 355 227 424 507 399 202 392 507 380 198 389 478
## [136] 374 267 395 466 367 250 406 521 374 336 463 590 514 177 367
## [151] 480 367 273 465 560 412 405 943 859 753 372 801 716 688 409
## [166] 811 726 699 432 870 785 755 321 857 772 699 342 787 772 689
## [181] 423 874 790 744 295 825 740 691 223 466 504 373 236 428 474
## [196] 371 348 943 859 755 307 929 844 764 308 877 829 692 256 453
## [211] 526 394 220 436 530 403 174 378 481 372 404 1032 1071 1080 496
## [226] 1031 1153 1174 389 1044 1101 1029 397 994 1077 1055 313 1049 1053 1017
## [241] 427 1078 1107 1137 623 1058 1129 1137 374 1080 1172 1060 359 931 996
## [256] 1010 421 967 1102 1045 349 1202 936 1083 483 1474 1372 1158 412 1190
## [271] 1020 1063 370 1058 1152 1054 423 1031 1102 1072 437 508 1187 1087 341
## [286] 903 1061 1030 481 966 1274 1166 430 972 1024 1108 432 1143 1136 1058
## [301] 373 1113 1113 1130 344 1047 1020 1031 413 1194 1178 881 321 1184 1134
## [316] 1678 396 1181 956 1044 468 1202 1240 1089 203 454 456 217 226 377
## [331] 483 402 245 494 519 387 291 825 740 697 194 390 500 383 254
## [346] 436 441 286 202 374 493 392 254 466 465 317 205 382 500 383
## [361] 195 395 437 372 253 437 523 432 292 826 741 445 393 457 497
## [376] 367 357 1251 1149 1059 367 928 843 746 284 487 395 414 537 1270
## [391] 1169 1071 454 1251 1343 1111 418 1261 1187 932 241 479 449 435 327
## [406] 1165 1115 855 225 437 481 359 396 1188 1087 1148 431 1253 1152 1698
## [421] 406 1262 937 1082 416 1177 1076 866 324 1172 1114 1024 286 529 569
## [436] 327 358 1207 1149 853 254 486 524 290 447 1268 1166 867 308 460
## [451] 500 377 220 647 687 479 265 520 558 323 248 474 512 399 189
## [466] 455 308 381 463 1168 1017 1067 407 1184 1083 1006 235 457 495 384
## [481] 265 431 477 348 508 1219 1118 995 404 1223 1122 1127 369 1161 1146
## [496] 1036 405 1278 824 1076 402 1199 957 1078 365 1269 1196 1028 376 1172
## [511] 970 1044 236 474 512 359 259 507 518 435 391 1191 1090 764 337
## [526] 1161 1088 792 433 1254 1106 1077 371 1079 859 1052 390 1315 1213 828
## [541] 413 1308 1292 867 380 1195 1094 903 387 1194 1072 1080 316 1139 957
## [556] 985 287 1148 1075 715 390 987 1089 1054 497 1070 1088 1056 416 1093
## [571] 1205 1081 376 1006 1125 1044 402 926 1061 1039 390 949 1013 1052 383
## [586] 903 1066 1033 395 923 1151 1072 477 1116 1172 1149 487 1197 1096 1065
## [601] 403 1096 1081 1078 481 1329 1189 1162 596 1266 1164 1146 449 1178 1077
## [616] 1046 258 476 516 400 229 468 509 371 537 1310 1168 1143 380 1334
## [631] 1233 1180 275 505 545 396 246 547 589 345 240 442 480 366 293
## [646] 473 511 376 321 1018 957 563 297 884 836 661 295 837 777 603
## [661] 316 916 831 731 308 821 772 634 286 839 801 551 267 816 731
## [676] 548 309 876 815 700 347 1023 938 590 203 454 304 376 267 502
## [691] 308 417 311 850 713 701 248 504 542 234 528 1347 1023 1201 215
## [706] 461 369 357 244 493 311 396 242 837 752 726 301 463 503 383
## [721] 209 496 534 357 252 490 528 327 205 525 510 389 376 565 473
## [736] 388 201 382 496 377 279 827 778 697 183 431 474 375 214 451
## [751] 493 370 229 474 512 259 197 421 420 302 328 541 546 285 280
## [766] 470 508 367 257 447 485 375 419 879 591 752 169 336 483 381
## [781] 223 423 424 376 222 461 498 319 338 803 718 694 220 461 501
## [796] 349 218 484 526 394 410 1102 1009 955 312 852 768 657 245 451
## [811] 438 405 193 458 351 366 374 1152 929 1036 299 809 724 858 402
## [826] 801 716 704 213 429 351 359 299 740 726 619 293 880 831 646
#Phân tổ dữ liệu cho biến thu nhập(income), phân tổ thành 4 tổ
Inc <- d$IN
cut(Inc,4)
## [1] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [7] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [13] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (37,54.5] (37,54.5]
## [19] (37,54.5] (37,54.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [25] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (1.93,19.5] (1.93,19.5]
## [31] (1.93,19.5] (1.93,19.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [37] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (1.93,19.5] (1.93,19.5]
## [43] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [49] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [55] (37,54.5] (37,54.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [61] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [67] (19.5,37] (19.5,37] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [73] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (54.5,72.1] (54.5,72.1]
## [79] (54.5,72.1] (54.5,72.1] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [85] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (37,54.5] (37,54.5]
## [91] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [97] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (54.5,72.1] (54.5,72.1]
## [103] (54.5,72.1] (54.5,72.1] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [109] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [115] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [121] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (37,54.5] (37,54.5]
## [127] (37,54.5] (37,54.5] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [133] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (37,54.5] (37,54.5]
## [139] (37,54.5] (37,54.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [145] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (1.93,19.5] (1.93,19.5]
## [151] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [157] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [163] (19.5,37] (19.5,37] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [169] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (37,54.5] (37,54.5]
## [175] (37,54.5] (37,54.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [181] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (19.5,37] (19.5,37]
## [187] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [193] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [199] (19.5,37] (19.5,37] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [205] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [211] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [217] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [223] (19.5,37] (19.5,37] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [229] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [235] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [241] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [247] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [253] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [259] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [265] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [271] (19.5,37] (19.5,37] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [277] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (1.93,19.5] (1.93,19.5]
## [283] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [289] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [295] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [301] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [307] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [313] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (19.5,37] (19.5,37]
## [319] (19.5,37] (19.5,37] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [325] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (1.93,19.5] (1.93,19.5]
## [331] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [337] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [343] (54.5,72.1] (54.5,72.1] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [349] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [355] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [361] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (1.93,19.5] (1.93,19.5]
## [367] (1.93,19.5] (1.93,19.5] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [373] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [379] (37,54.5] (37,54.5] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [385] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [391] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [397] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (19.5,37] (19.5,37]
## [403] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [409] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [415] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [421] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [427] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [433] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (37,54.5] (37,54.5]
## [439] (37,54.5] (37,54.5] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [445] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (19.5,37] (19.5,37]
## [451] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [457] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (37,54.5] (37,54.5]
## [463] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [469] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [475] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [481] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [487] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [493] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [499] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [505] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (19.5,37] (19.5,37]
## [511] (19.5,37] (19.5,37] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [517] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (37,54.5] (37,54.5]
## [523] (37,54.5] (37,54.5] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [529] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (1.93,19.5] (1.93,19.5]
## [535] (1.93,19.5] (1.93,19.5] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [541] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (37,54.5] (37,54.5]
## [547] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [553] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [559] (19.5,37] (19.5,37] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [565] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [571] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [577] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (1.93,19.5] (1.93,19.5]
## [583] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [589] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [595] (37,54.5] (37,54.5] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [601] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (37,54.5] (37,54.5]
## [607] (37,54.5] (37,54.5] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [613] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (37,54.5] (37,54.5]
## [619] (37,54.5] (37,54.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [625] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [631] (54.5,72.1] (54.5,72.1] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [637] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (54.5,72.1] (54.5,72.1]
## [643] (54.5,72.1] (54.5,72.1] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [649] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (54.5,72.1] (54.5,72.1]
## [655] (54.5,72.1] (54.5,72.1] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [661] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (37,54.5] (37,54.5]
## [667] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [673] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (37,54.5] (37,54.5]
## [679] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [685] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [691] (19.5,37] (19.5,37] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [697] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [703] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [709] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [715] (37,54.5] (37,54.5] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## [721] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [727] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [733] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [739] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [745] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [751] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [757] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (1.93,19.5] (1.93,19.5]
## [763] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [769] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (1.93,19.5] (1.93,19.5]
## [775] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5]
## [781] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [787] (19.5,37] (19.5,37] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [793] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1] (37,54.5] (37,54.5]
## [799] (37,54.5] (37,54.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [805] (19.5,37] (19.5,37] (19.5,37] (19.5,37] (1.93,19.5] (1.93,19.5]
## [811] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37] (19.5,37] (19.5,37]
## [817] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [823] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5] (37,54.5]
## [829] (1.93,19.5] (1.93,19.5] (1.93,19.5] (1.93,19.5] (19.5,37] (19.5,37]
## [835] (19.5,37] (19.5,37] (54.5,72.1] (54.5,72.1] (54.5,72.1] (54.5,72.1]
## Levels: (1.93,19.5] (19.5,37] (37,54.5] (54.5,72.1]
table(cut(Inc,4))
##
## (1.93,19.5] (19.5,37] (37,54.5] (54.5,72.1]
## 204 284 196 156
#Phân tổ dữ liệu cho biến Choice
Choi <- d$C
table(Choi)
## Choi
## no yes
## 630 210