Airline

airdata=read.csv(paste("C:/Users/kogentix/Downloads/Internship_docs/week3/SixAirlinesDataV2.csv",sep=""),)

```

summary(airdata)

##       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

Including Plots

You can also embed plots, for example:

boxplot(airdata)

library(car)
scatterplot((airdata$PricePremium-airdata$PriceEconomy),airdata$PitchDifference)

library(corrgram)

## Warning: package 'corrgram' was built under R version 3.4.3

corrgram(airdata, order=FALSE, 
         lower.panel=panel.shade,
         upper.panel=panel.pie, 
         text.panel=panel.txt,
         main="Corrgram of analyze relations between variable of dataframe")

t.test(airdata[,12],airdata[,13])

## 
##  Welch Two Sample t-test
## 
## data:  airdata[, 12] and airdata[, 13]
## t = -6.8304, df = 856.56, p-value = 1.605e-11
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
##  -667.0831 -369.2793
## sample estimates:
## mean of x mean of y 
##  1327.076  1845.258

airdata_1 <- (airdata$PricePremium-airdata$PriceEconomy) ~ airdata$PitchDifference+airdata$WidthDifference+airdata$FlightDuration
airdata_2 <- lm(airdata_1)
summary(airdata_2)

## 
## Call:
## lm(formula = airdata_1)
## 
## Residuals:
##    Min     1Q Median     3Q    Max 
## -859.4 -324.7  -62.7  150.1 3331.5 
## 
## Coefficients:
##                         Estimate Std. Error t value Pr(>|t|)    
## (Intercept)             -286.933    117.833  -2.435   0.0153 *  
## airdata$PitchDifference   10.387     20.779   0.500   0.6174    
## airdata$WidthDifference   74.641     30.977   2.410   0.0164 *  
## airdata$FlightDuration    80.992      6.754  11.992   <2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 506.1 on 454 degrees of freedom
## Multiple R-squared:  0.2538, Adjusted R-squared:  0.2489 
## F-statistic: 51.48 on 3 and 454 DF,  p-value: < 2.2e-16