setwd("C:/Users/nazan/Desktop/ANLY510/Semester Long Labs Datafiles-20180511")
library(xlsx)
## Loading required package: rJava
## Loading required package: xlsxjars
Lab1Part4=read.xlsx2 ("Lab1Part4.xlsx",1)
library(dplyr)
##
## Attaching package: 'dplyr'
## The following objects are masked from 'package:stats':
##
## filter, lag
## The following objects are masked from 'package:base':
##
## intersect, setdiff, setequal, union
glimpse(Lab1Part4) ###To make sure variables are defined correctly(For throwing density plot we need to change factor variable to numric)
## Observations: 128
## Variables: 8
## $ Quality <fct> -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1,...
## $ Cleanliness <fct> -1, -1, 1, 1, -1, -1, 1, 1, -1, -1, 1, 1, -1,...
## $ Price <fct> -1, -1, -1, -1, 1, 1, 1, 1, -1, -1, -1, -1, 1...
## $ GPS <fct> -1, -1, -1, -1, -1, -1, -1, -1, 1, 1, 1, 1, 1...
## $ Booking <fct> -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -...
## $ CreditorDebit <fct> -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -...
## $ RideAvailability <fct> -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -...
## $ Rating <fct> 0, 38, 24, 33, 28, 23, 37, 31, 29, 25, 34, 50...
lab1part4=Lab1Part4
lab1part4[ , 1:ncol(lab1part4) ] = sapply(lab1part4[ , 1:ncol(lab1part4) ], as.character)
lab1part4[ , 1:ncol(lab1part4) ] = sapply(lab1part4[ , 1:ncol(lab1part4) ], as.numeric) ###Redefine factor variables as a numeric variables to be able for applying density plot
glimpse(lab1part4)
## Observations: 128
## Variables: 8
## $ Quality <dbl> -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1,...
## $ Cleanliness <dbl> -1, -1, 1, 1, -1, -1, 1, 1, -1, -1, 1, 1, -1,...
## $ Price <dbl> -1, -1, -1, -1, 1, 1, 1, 1, -1, -1, -1, -1, 1...
## $ GPS <dbl> -1, -1, -1, -1, -1, -1, -1, -1, 1, 1, 1, 1, 1...
## $ Booking <dbl> -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -...
## $ CreditorDebit <dbl> -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -...
## $ RideAvailability <dbl> -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -...
## $ Rating <dbl> 0, 38, 24, 33, 28, 23, 37, 31, 29, 25, 34, 50...
plot(density(lab1part4$Rating)) ###Looks data is distributed normal
library(moments)
agostino.test(lab1part4$Rating) ###P-value is larger than alpha==> fail to reject null hypothesis.(no sign of skew)
##
## D'Agostino skewness test
##
## data: lab1part4$Rating
## skew = -0.17632, z = -0.85104, p-value = 0.3947
## alternative hypothesis: data have a skewness
lab1part4$Quality = factor(lab1part4$Quality )
bartlett.test(lab1part4$Rating~lab1part4$Quality)
##
## Bartlett test of homogeneity of variances
##
## data: lab1part4$Rating by lab1part4$Quality
## Bartlett's K-squared = 0.055021, df = 1, p-value = 0.8145
lab1part4$Cleanliness = factor(lab1part4$Cleanliness )
bartlett.test(lab1part4$Rating~lab1part4$Cleanliness)
##
## Bartlett test of homogeneity of variances
##
## data: lab1part4$Rating by lab1part4$Cleanliness
## Bartlett's K-squared = 0.022206, df = 1, p-value = 0.8815
lab1part4$Price = factor(lab1part4$Price )
bartlett.test(lab1part4$Rating~lab1part4$Price)
##
## Bartlett test of homogeneity of variances
##
## data: lab1part4$Rating by lab1part4$Price
## Bartlett's K-squared = 1.4637, df = 1, p-value = 0.2263
lab1part4$GPS = factor(lab1part4$GPS )
bartlett.test(lab1part4$Rating~lab1part4$GPS)
##
## Bartlett test of homogeneity of variances
##
## data: lab1part4$Rating by lab1part4$GPS
## Bartlett's K-squared = 0.063095, df = 1, p-value = 0.8017
lab1part4$Booking = factor(lab1part4$Booking )
bartlett.test(lab1part4$Rating~lab1part4$Booking)
##
## Bartlett test of homogeneity of variances
##
## data: lab1part4$Rating by lab1part4$Booking
## Bartlett's K-squared = 0.10281, df = 1, p-value = 0.7485
lab1part4$CreditorDebit = factor(lab1part4$CreditorDebit )
bartlett.test(lab1part4$Rating~lab1part4$CreditorDebit)
##
## Bartlett test of homogeneity of variances
##
## data: lab1part4$Rating by lab1part4$CreditorDebit
## Bartlett's K-squared = 0.53383, df = 1, p-value = 0.465
lab1part4$RideAvailability = factor(lab1part4$RideAvailability )
bartlett.test(lab1part4$Rating~lab1part4$RideAvailability)
##
## Bartlett test of homogeneity of variances
##
## data: lab1part4$Rating by lab1part4$RideAvailability
## Bartlett's K-squared = 0.0013483, df = 1, p-value = 0.9707
par(bg=rgb(1,1,0.8), mfrow=c(2,2)) ###Plotting the response data several ways to see if any trends or anomalies appear that would not be accounted for by the standard linear response models.
qqnorm(lab1part4$Rating)
qqline(lab1part4$Rating, col = 2)
boxplot(lab1part4$Rating, horizontal=TRUE, main="Box Plot", xlab="Rating")
hist(lab1part4$Rating, main="Histogram", xlab="Rating")
par(bg=rgb(1,1,0.8),mfrow=c(2,4))
boxplot(Rating~Quality, data=lab1part4, main="Rating By Quality",
xlab="Quality",ylab="Rating")
boxplot(Rating~Cleanliness, data=lab1part4, main="Rating By Cleanliness",
xlab="Cleanliness",ylab="Rating")
boxplot(Rating~Price, data=lab1part4, main="Rating By Price",
xlab="Price",ylab="Rating")
boxplot(Rating~GPS, data=lab1part4, main="Rating By GPS",
xlab="GPS",ylab="Rating")
boxplot(Rating~Booking, data=lab1part4, main="Rating By Booking",
xlab="Booking",ylab="Rating")
boxplot(Rating~CreditorDebit, data=lab1part4, main="Rating By CreditorDebit",
xlab="CreditorDebit",ylab="Rating")
boxplot(Rating~RideAvailability, data=lab1part4, main="Rating By RideAvailability",
xlab="RideAvailability",ylab="Rating")
From the boxplots above, it seems that all variables have influence to change the response variable(Rating)
model1 <- aov(Rating~(Quality + Cleanliness + Price + GPS + Booking + CreditorDebit + RideAvailability)^4, data=lab1part4) ###Try to find better(*combination of 5 & *combination of 4 work better) full factorial model to show the influence of interaction of significant variables on response variable
summary(model1)
## Df Sum Sq Mean Sq
## Quality 1 4548 4548
## Cleanliness 1 5369 5369
## Price 1 4692 4692
## GPS 1 4913 4913
## Booking 1 4692 4692
## CreditorDebit 1 4790 4790
## RideAvailability 1 3687 3687
## Quality:Cleanliness 1 27 27
## Quality:Price 1 178 178
## Quality:GPS 1 1 1
## Quality:Booking 1 19 19
## Quality:CreditorDebit 1 39 39
## Quality:RideAvailability 1 37 37
## Cleanliness:Price 1 173 173
## Cleanliness:GPS 1 35 35
## Cleanliness:Booking 1 142 142
## Cleanliness:CreditorDebit 1 107 107
## Cleanliness:RideAvailability 1 77 77
## Price:GPS 1 25 25
## Price:Booking 1 17 17
## Price:CreditorDebit 1 68 68
## Price:RideAvailability 1 17 17
## GPS:Booking 1 103 103
## GPS:CreditorDebit 1 4 4
## GPS:RideAvailability 1 20 20
## Booking:CreditorDebit 1 160 160
## Booking:RideAvailability 1 0 0
## CreditorDebit:RideAvailability 1 0 0
## Quality:Cleanliness:Price 1 29 29
## Quality:Cleanliness:GPS 1 0 0
## Quality:Cleanliness:Booking 1 2 2
## Quality:Cleanliness:CreditorDebit 1 29 29
## Quality:Cleanliness:RideAvailability 1 12 12
## Quality:Price:GPS 1 12 12
## Quality:Price:Booking 1 49 49
## Quality:Price:CreditorDebit 1 54 54
## Quality:Price:RideAvailability 1 403 403
## Quality:GPS:Booking 1 151 151
## Quality:GPS:CreditorDebit 1 0 0
## Quality:GPS:RideAvailability 1 267 267
## Quality:Booking:CreditorDebit 1 484 484
## Quality:Booking:RideAvailability 1 80 80
## Quality:CreditorDebit:RideAvailability 1 11 11
## Cleanliness:Price:GPS 1 17 17
## Cleanliness:Price:Booking 1 10 10
## Cleanliness:Price:CreditorDebit 1 46 46
## Cleanliness:Price:RideAvailability 1 9 9
## Cleanliness:GPS:Booking 1 25 25
## Cleanliness:GPS:CreditorDebit 1 309 309
## Cleanliness:GPS:RideAvailability 1 0 0
## Cleanliness:Booking:CreditorDebit 1 93 93
## Cleanliness:Booking:RideAvailability 1 54 54
## Cleanliness:CreditorDebit:RideAvailability 1 111 111
## Price:GPS:Booking 1 12 12
## Price:GPS:CreditorDebit 1 111 111
## Price:GPS:RideAvailability 1 86 86
## Price:Booking:CreditorDebit 1 62 62
## Price:Booking:RideAvailability 1 68 68
## Price:CreditorDebit:RideAvailability 1 2 2
## GPS:Booking:CreditorDebit 1 147 147
## GPS:Booking:RideAvailability 1 77 77
## GPS:CreditorDebit:RideAvailability 1 39 39
## Booking:CreditorDebit:RideAvailability 1 0 0
## Quality:Cleanliness:Price:GPS 1 114 114
## Quality:Cleanliness:Price:Booking 1 29 29
## Quality:Cleanliness:Price:CreditorDebit 1 93 93
## Quality:Cleanliness:Price:RideAvailability 1 22 22
## Quality:Cleanliness:GPS:Booking 1 31 31
## Quality:Cleanliness:GPS:CreditorDebit 1 111 111
## Quality:Cleanliness:GPS:RideAvailability 1 74 74
## Quality:Cleanliness:Booking:CreditorDebit 1 46 46
## Quality:Cleanliness:Booking:RideAvailability 1 9 9
## Quality:Cleanliness:CreditorDebit:RideAvailability 1 3 3
## Quality:Price:GPS:Booking 1 142 142
## Quality:Price:GPS:CreditorDebit 1 396 396
## Quality:Price:GPS:RideAvailability 1 29 29
## Quality:Price:Booking:CreditorDebit 1 203 203
## Quality:Price:Booking:RideAvailability 1 126 126
## Quality:Price:CreditorDebit:RideAvailability 1 118 118
## Quality:GPS:Booking:CreditorDebit 1 59 59
## Quality:GPS:Booking:RideAvailability 1 183 183
## Quality:GPS:CreditorDebit:RideAvailability 1 46 46
## Quality:Booking:CreditorDebit:RideAvailability 1 49 49
## Cleanliness:Price:GPS:Booking 1 164 164
## Cleanliness:Price:GPS:CreditorDebit 1 6 6
## Cleanliness:Price:GPS:RideAvailability 1 193 193
## Cleanliness:Price:Booking:CreditorDebit 1 39 39
## Cleanliness:Price:Booking:RideAvailability 1 44 44
## Cleanliness:Price:CreditorDebit:RideAvailability 1 80 80
## Cleanliness:GPS:Booking:CreditorDebit 1 130 130
## Cleanliness:GPS:Booking:RideAvailability 1 29 29
## Cleanliness:GPS:CreditorDebit:RideAvailability 1 37 37
## Cleanliness:Booking:CreditorDebit:RideAvailability 1 3 3
## Price:GPS:Booking:CreditorDebit 1 46 46
## Price:GPS:Booking:RideAvailability 1 103 103
## Price:GPS:CreditorDebit:RideAvailability 1 122 122
## Price:Booking:CreditorDebit:RideAvailability 1 549 549
## GPS:Booking:CreditorDebit:RideAvailability 1 16 16
## Residuals 29 2106 73
## F value Pr(>F)
## Quality 62.617 9.99e-09 ***
## Cleanliness 73.919 1.81e-09 ***
## Price 64.602 7.29e-09 ***
## GPS 67.638 4.56e-09 ***
## Booking 64.602 7.29e-09 ***
## CreditorDebit 65.943 5.91e-09 ***
## RideAvailability 50.764 7.69e-08 ***
## Quality:Cleanliness 0.374 0.5454
## Quality:Price 2.452 0.1282
## Quality:GPS 0.009 0.9263
## Quality:Booking 0.258 0.6152
## Quality:CreditorDebit 0.542 0.4674
## Quality:RideAvailability 0.512 0.4800
## Cleanliness:Price 2.388 0.1331
## Cleanliness:GPS 0.483 0.4927
## Cleanliness:Booking 1.960 0.1721
## Cleanliness:CreditorDebit 1.472 0.2348
## Cleanliness:RideAvailability 1.054 0.3130
## Price:GPS 0.349 0.5590
## Price:Booking 0.238 0.6296
## Price:CreditorDebit 0.930 0.3428
## Price:RideAvailability 0.238 0.6296
## GPS:Booking 1.422 0.2427
## GPS:CreditorDebit 0.057 0.8131
## GPS:RideAvailability 0.280 0.6009
## Booking:CreditorDebit 2.199 0.1488
## Booking:RideAvailability 0.000 0.9918
## CreditorDebit:RideAvailability 0.000 0.9918
## Quality:Cleanliness:Price 0.400 0.5319
## Quality:Cleanliness:GPS 0.003 0.9590
## Quality:Cleanliness:Booking 0.031 0.8613
## Quality:Cleanliness:CreditorDebit 0.400 0.5319
## Quality:Cleanliness:RideAvailability 0.164 0.6888
## Quality:Price:GPS 0.164 0.6888
## Quality:Price:Booking 0.671 0.4193
## Quality:Price:CreditorDebit 0.741 0.3964
## Quality:Price:RideAvailability 5.542 0.0255 *
## Quality:GPS:Booking 2.078 0.1601
## Quality:GPS:CreditorDebit 0.005 0.9426
## Quality:GPS:RideAvailability 3.681 0.0649 .
## Quality:Booking:CreditorDebit 6.669 0.0151 *
## Quality:Booking:RideAvailability 1.097 0.3035
## Quality:CreditorDebit:RideAvailability 0.147 0.7040
## Cleanliness:Price:GPS 0.238 0.6296
## Cleanliness:Price:Booking 0.132 0.7192
## Cleanliness:Price:CreditorDebit 0.638 0.4310
## Cleanliness:Price:RideAvailability 0.117 0.7346
## Cleanliness:GPS:Booking 0.349 0.5590
## Cleanliness:GPS:CreditorDebit 4.259 0.0481 *
## Cleanliness:GPS:RideAvailability 0.001 0.9754
## Cleanliness:Booking:CreditorDebit 1.278 0.2676
## Cleanliness:Booking:RideAvailability 0.741 0.3964
## Cleanliness:CreditorDebit:RideAvailability 1.523 0.2271
## Price:GPS:Booking 0.164 0.6888
## Price:GPS:CreditorDebit 1.523 0.2271
## Price:GPS:RideAvailability 1.186 0.2851
## Price:Booking:CreditorDebit 0.852 0.3636
## Price:Booking:RideAvailability 0.930 0.3428
## Price:CreditorDebit:RideAvailability 0.031 0.8613
## GPS:Booking:CreditorDebit 2.019 0.1660
## GPS:Booking:RideAvailability 1.054 0.3130
## GPS:CreditorDebit:RideAvailability 0.542 0.4674
## Booking:CreditorDebit:RideAvailability 0.003 0.9590
## Quality:Cleanliness:Price:GPS 1.575 0.2195
## Quality:Cleanliness:Price:Booking 0.400 0.5319
## Quality:Cleanliness:Price:CreditorDebit 1.278 0.2676
## Quality:Cleanliness:Price:RideAvailability 0.302 0.5868
## Quality:Cleanliness:GPS:Booking 0.427 0.5187
## Quality:Cleanliness:GPS:CreditorDebit 1.523 0.2271
## Quality:Cleanliness:GPS:RideAvailability 1.012 0.3227
## Quality:Cleanliness:Booking:CreditorDebit 0.638 0.4310
## Quality:Cleanliness:Booking:RideAvailability 0.117 0.7346
## Quality:Cleanliness:CreditorDebit:RideAvailability 0.039 0.8452
## Quality:Price:GPS:Booking 1.960 0.1721
## Quality:Price:GPS:CreditorDebit 5.445 0.0268 *
## Quality:Price:GPS:RideAvailability 0.400 0.5319
## Quality:Price:Booking:CreditorDebit 2.788 0.1057
## Quality:Price:Booking:RideAvailability 1.735 0.1981
## Quality:Price:CreditorDebit:RideAvailability 1.627 0.2122
## Quality:GPS:Booking:CreditorDebit 0.814 0.3743
## Quality:GPS:Booking:RideAvailability 2.518 0.1234
## Quality:GPS:CreditorDebit:RideAvailability 0.638 0.4310
## Quality:Booking:CreditorDebit:RideAvailability 0.671 0.4193
## Cleanliness:Price:GPS:Booking 2.261 0.1434
## Cleanliness:Price:GPS:CreditorDebit 0.078 0.7815
## Cleanliness:Price:GPS:RideAvailability 2.651 0.1143
## Cleanliness:Price:Booking:CreditorDebit 0.542 0.4674
## Cleanliness:Price:Booking:RideAvailability 0.605 0.4430
## Cleanliness:Price:CreditorDebit:RideAvailability 1.097 0.3035
## Cleanliness:GPS:Booking:CreditorDebit 1.790 0.1913
## Cleanliness:GPS:Booking:RideAvailability 0.400 0.5319
## Cleanliness:GPS:CreditorDebit:RideAvailability 0.512 0.4800
## Cleanliness:Booking:CreditorDebit:RideAvailability 0.039 0.8452
## Price:GPS:Booking:CreditorDebit 0.638 0.4310
## Price:GPS:Booking:RideAvailability 1.422 0.2427
## Price:GPS:CreditorDebit:RideAvailability 1.681 0.2051
## Price:Booking:CreditorDebit:RideAvailability 7.553 0.0102 *
## GPS:Booking:CreditorDebit:RideAvailability 0.218 0.6442
## Residuals
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
ModelStepWise1 = step(model1,direction = "backward")
## Start: AIC=556.49
## Rating ~ (Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability)^4
##
## Df Sum of Sq RSS
## - Quality:Cleanliness:CreditorDebit:RideAvailability 1 2.82 2109.2
## - Cleanliness:Booking:CreditorDebit:RideAvailability 1 2.82 2109.2
## - Cleanliness:Price:GPS:CreditorDebit 1 5.70 2112.1
## - Quality:Cleanliness:Booking:RideAvailability 1 8.51 2114.9
## - GPS:Booking:CreditorDebit:RideAvailability 1 15.82 2122.2
## - Quality:Cleanliness:Price:RideAvailability 1 21.95 2128.4
## - Quality:Price:GPS:RideAvailability 1 29.07 2135.5
## - Quality:Cleanliness:Price:Booking 1 29.07 2135.5
## - Cleanliness:GPS:Booking:RideAvailability 1 29.07 2135.5
## - Quality:Cleanliness:GPS:Booking 1 31.01 2137.4
## <none> 2106.4
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2143.6
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2145.8
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2150.4
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2152.7
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2152.7
## - Price:GPS:Booking:CreditorDebit 1 46.32 2152.7
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2155.2
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2165.6
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2179.9
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2186.1
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2199.2
## - Price:GPS:Booking:RideAvailability 1 103.32 2209.7
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2217.1
## - Quality:Cleanliness:Price:GPS 1 114.38 2220.8
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2224.6
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2228.5
## - Quality:Price:Booking:RideAvailability 1 126.01 2232.4
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2236.4
## - Quality:Price:GPS:Booking 1 142.38 2248.8
## - Cleanliness:Price:GPS:Booking 1 164.26 2270.7
## - Quality:GPS:Booking:RideAvailability 1 182.88 2289.3
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2299.0
## - Quality:Price:Booking:CreditorDebit 1 202.51 2308.9
## - Quality:Price:GPS:CreditorDebit 1 395.51 2501.9
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2655.1
## AIC
## - Quality:Cleanliness:CreditorDebit:RideAvailability 554.66
## - Cleanliness:Booking:CreditorDebit:RideAvailability 554.66
## - Cleanliness:Price:GPS:CreditorDebit 554.84
## - Quality:Cleanliness:Booking:RideAvailability 555.01
## - GPS:Booking:CreditorDebit:RideAvailability 555.45
## - Quality:Cleanliness:Price:RideAvailability 555.82
## - Quality:Price:GPS:RideAvailability 556.25
## - Quality:Cleanliness:Price:Booking 556.25
## - Cleanliness:GPS:Booking:RideAvailability 556.25
## - Quality:Cleanliness:GPS:Booking 556.36
## <none> 556.49
## - Cleanliness:GPS:CreditorDebit:RideAvailability 556.73
## - Cleanliness:Price:Booking:CreditorDebit 556.86
## - Cleanliness:Price:Booking:RideAvailability 557.13
## - Quality:Cleanliness:Booking:CreditorDebit 557.28
## - Quality:GPS:CreditorDebit:RideAvailability 557.28
## - Price:GPS:Booking:CreditorDebit 557.28
## - Quality:Booking:CreditorDebit:RideAvailability 557.42
## - Quality:GPS:Booking:CreditorDebit 558.03
## - Quality:Cleanliness:GPS:RideAvailability 558.88
## - Cleanliness:Price:CreditorDebit:RideAvailability 559.24
## - Quality:Cleanliness:Price:CreditorDebit 560.01
## - Price:GPS:Booking:RideAvailability 560.62
## - Quality:Cleanliness:GPS:CreditorDebit 561.04
## - Quality:Cleanliness:Price:GPS 561.26
## - Quality:Price:CreditorDebit:RideAvailability 561.48
## - Price:GPS:CreditorDebit:RideAvailability 561.70
## - Quality:Price:Booking:RideAvailability 561.93
## - Cleanliness:GPS:Booking:CreditorDebit 562.16
## - Quality:Price:GPS:Booking 562.86
## - Cleanliness:Price:GPS:Booking 564.10
## - Quality:GPS:Booking:RideAvailability 565.15
## - Cleanliness:Price:GPS:RideAvailability 565.69
## - Quality:Price:Booking:CreditorDebit 566.24
## - Quality:Price:GPS:CreditorDebit 576.52
## - Price:Booking:CreditorDebit:RideAvailability 584.12
##
## Step: AIC=554.66
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:Booking +
## Quality:Cleanliness:Price:CreditorDebit + Quality:Cleanliness:Price:RideAvailability +
## Quality:Cleanliness:GPS:Booking + Quality:Cleanliness:GPS:CreditorDebit +
## Quality:Cleanliness:GPS:RideAvailability + Quality:Cleanliness:Booking:CreditorDebit +
## Quality:Cleanliness:Booking:RideAvailability + Quality:Price:GPS:Booking +
## Quality:Price:GPS:CreditorDebit + Quality:Price:GPS:RideAvailability +
## Quality:Price:Booking:CreditorDebit + Quality:Price:Booking:RideAvailability +
## Quality:Price:CreditorDebit:RideAvailability + Quality:GPS:Booking:CreditorDebit +
## Quality:GPS:Booking:RideAvailability + Quality:GPS:CreditorDebit:RideAvailability +
## Quality:Booking:CreditorDebit:RideAvailability + Cleanliness:Price:GPS:Booking +
## Cleanliness:Price:GPS:CreditorDebit + Cleanliness:Price:GPS:RideAvailability +
## Cleanliness:Price:Booking:CreditorDebit + Cleanliness:Price:Booking:RideAvailability +
## Cleanliness:Price:CreditorDebit:RideAvailability + Cleanliness:GPS:Booking:CreditorDebit +
## Cleanliness:GPS:Booking:RideAvailability + Cleanliness:GPS:CreditorDebit:RideAvailability +
## Cleanliness:Booking:CreditorDebit:RideAvailability + Price:GPS:Booking:CreditorDebit +
## Price:GPS:Booking:RideAvailability + Price:GPS:CreditorDebit:RideAvailability +
## Price:Booking:CreditorDebit:RideAvailability + GPS:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## - Cleanliness:Booking:CreditorDebit:RideAvailability 1 2.82 2112.1
## - Cleanliness:Price:GPS:CreditorDebit 1 5.70 2114.9
## - Quality:Cleanliness:Booking:RideAvailability 1 8.51 2117.7
## - GPS:Booking:CreditorDebit:RideAvailability 1 15.82 2125.1
## - Quality:Cleanliness:Price:RideAvailability 1 21.95 2131.2
## - Quality:Price:GPS:RideAvailability 1 29.07 2138.3
## - Quality:Cleanliness:Price:Booking 1 29.07 2138.3
## - Cleanliness:GPS:Booking:RideAvailability 1 29.07 2138.3
## - Quality:Cleanliness:GPS:Booking 1 31.01 2140.2
## <none> 2109.2
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2146.4
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2148.6
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2153.2
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2155.6
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2155.6
## - Price:GPS:Booking:CreditorDebit 1 46.32 2155.6
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2158.0
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2168.4
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2182.7
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2188.9
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2202.1
## - Price:GPS:Booking:RideAvailability 1 103.32 2212.6
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2219.9
## - Quality:Cleanliness:Price:GPS 1 114.38 2223.6
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2227.4
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2231.3
## - Quality:Price:Booking:RideAvailability 1 126.01 2235.2
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2239.2
## - Quality:Price:GPS:Booking 1 142.38 2251.6
## - Cleanliness:Price:GPS:Booking 1 164.26 2273.5
## - Quality:GPS:Booking:RideAvailability 1 182.88 2292.1
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2301.8
## - Quality:Price:Booking:CreditorDebit 1 202.51 2311.7
## - Quality:Price:GPS:CreditorDebit 1 395.51 2504.7
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2657.9
## AIC
## - Cleanliness:Booking:CreditorDebit:RideAvailability 552.83
## - Cleanliness:Price:GPS:CreditorDebit 553.01
## - Quality:Cleanliness:Booking:RideAvailability 553.18
## - GPS:Booking:CreditorDebit:RideAvailability 553.62
## - Quality:Cleanliness:Price:RideAvailability 553.99
## - Quality:Price:GPS:RideAvailability 554.41
## - Quality:Cleanliness:Price:Booking 554.41
## - Cleanliness:GPS:Booking:RideAvailability 554.41
## - Quality:Cleanliness:GPS:Booking 554.53
## <none> 554.66
## - Cleanliness:GPS:CreditorDebit:RideAvailability 554.90
## - Cleanliness:Price:Booking:CreditorDebit 555.03
## - Cleanliness:Price:Booking:RideAvailability 555.30
## - Quality:Cleanliness:Booking:CreditorDebit 555.44
## - Quality:GPS:CreditorDebit:RideAvailability 555.44
## - Price:GPS:Booking:CreditorDebit 555.44
## - Quality:Booking:CreditorDebit:RideAvailability 555.59
## - Quality:GPS:Booking:CreditorDebit 556.20
## - Quality:Cleanliness:GPS:RideAvailability 557.05
## - Cleanliness:Price:CreditorDebit:RideAvailability 557.41
## - Quality:Cleanliness:Price:CreditorDebit 558.17
## - Price:GPS:Booking:RideAvailability 558.78
## - Quality:Cleanliness:GPS:CreditorDebit 559.21
## - Quality:Cleanliness:Price:GPS 559.42
## - Quality:Price:CreditorDebit:RideAvailability 559.64
## - Price:GPS:CreditorDebit:RideAvailability 559.86
## - Quality:Price:Booking:RideAvailability 560.09
## - Cleanliness:GPS:Booking:CreditorDebit 560.32
## - Quality:Price:GPS:Booking 561.02
## - Cleanliness:Price:GPS:Booking 562.26
## - Quality:GPS:Booking:RideAvailability 563.31
## - Cleanliness:Price:GPS:RideAvailability 563.85
## - Quality:Price:Booking:CreditorDebit 564.40
## - Quality:Price:GPS:CreditorDebit 574.66
## - Price:Booking:CreditorDebit:RideAvailability 582.26
##
## Step: AIC=552.83
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:Booking +
## Quality:Cleanliness:Price:CreditorDebit + Quality:Cleanliness:Price:RideAvailability +
## Quality:Cleanliness:GPS:Booking + Quality:Cleanliness:GPS:CreditorDebit +
## Quality:Cleanliness:GPS:RideAvailability + Quality:Cleanliness:Booking:CreditorDebit +
## Quality:Cleanliness:Booking:RideAvailability + Quality:Price:GPS:Booking +
## Quality:Price:GPS:CreditorDebit + Quality:Price:GPS:RideAvailability +
## Quality:Price:Booking:CreditorDebit + Quality:Price:Booking:RideAvailability +
## Quality:Price:CreditorDebit:RideAvailability + Quality:GPS:Booking:CreditorDebit +
## Quality:GPS:Booking:RideAvailability + Quality:GPS:CreditorDebit:RideAvailability +
## Quality:Booking:CreditorDebit:RideAvailability + Cleanliness:Price:GPS:Booking +
## Cleanliness:Price:GPS:CreditorDebit + Cleanliness:Price:GPS:RideAvailability +
## Cleanliness:Price:Booking:CreditorDebit + Cleanliness:Price:Booking:RideAvailability +
## Cleanliness:Price:CreditorDebit:RideAvailability + Cleanliness:GPS:Booking:CreditorDebit +
## Cleanliness:GPS:Booking:RideAvailability + Cleanliness:GPS:CreditorDebit:RideAvailability +
## Price:GPS:Booking:CreditorDebit + Price:GPS:Booking:RideAvailability +
## Price:GPS:CreditorDebit:RideAvailability + Price:Booking:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## - Cleanliness:Price:GPS:CreditorDebit 1 5.70 2117.8
## - Quality:Cleanliness:Booking:RideAvailability 1 8.51 2120.6
## - GPS:Booking:CreditorDebit:RideAvailability 1 15.82 2127.9
## - Quality:Cleanliness:Price:RideAvailability 1 21.95 2134.0
## - Quality:Cleanliness:Price:Booking 1 29.07 2141.1
## - Quality:Price:GPS:RideAvailability 1 29.07 2141.1
## - Cleanliness:GPS:Booking:RideAvailability 1 29.07 2141.1
## - Quality:Cleanliness:GPS:Booking 1 31.01 2143.1
## <none> 2112.1
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2149.2
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2151.4
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2156.0
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2158.4
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2158.4
## - Price:GPS:Booking:CreditorDebit 1 46.32 2158.4
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2160.8
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2171.2
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2185.6
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2191.8
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2204.9
## - Price:GPS:Booking:RideAvailability 1 103.32 2215.4
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2222.7
## - Quality:Cleanliness:Price:GPS 1 114.38 2226.4
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2230.2
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2234.1
## - Quality:Price:Booking:RideAvailability 1 126.01 2238.1
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2242.1
## - Quality:Price:GPS:Booking 1 142.38 2254.4
## - Cleanliness:Price:GPS:Booking 1 164.26 2276.3
## - Quality:GPS:Booking:RideAvailability 1 182.88 2294.9
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2304.6
## - Quality:Price:Booking:CreditorDebit 1 202.51 2314.6
## - Quality:Price:GPS:CreditorDebit 1 395.51 2507.6
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2660.7
## AIC
## - Cleanliness:Price:GPS:CreditorDebit 551.18
## - Quality:Cleanliness:Booking:RideAvailability 551.35
## - GPS:Booking:CreditorDebit:RideAvailability 551.79
## - Quality:Cleanliness:Price:RideAvailability 552.16
## - Quality:Cleanliness:Price:Booking 552.58
## - Quality:Price:GPS:RideAvailability 552.58
## - Cleanliness:GPS:Booking:RideAvailability 552.58
## - Quality:Cleanliness:GPS:Booking 552.70
## <none> 552.83
## - Cleanliness:GPS:CreditorDebit:RideAvailability 553.07
## - Cleanliness:Price:Booking:CreditorDebit 553.20
## - Cleanliness:Price:Booking:RideAvailability 553.47
## - Quality:Cleanliness:Booking:CreditorDebit 553.61
## - Quality:GPS:CreditorDebit:RideAvailability 553.61
## - Price:GPS:Booking:CreditorDebit 553.61
## - Quality:Booking:CreditorDebit:RideAvailability 553.75
## - Quality:GPS:Booking:CreditorDebit 554.37
## - Quality:Cleanliness:GPS:RideAvailability 555.21
## - Cleanliness:Price:CreditorDebit:RideAvailability 555.57
## - Quality:Cleanliness:Price:CreditorDebit 556.34
## - Price:GPS:Booking:RideAvailability 556.95
## - Quality:Cleanliness:GPS:CreditorDebit 557.37
## - Quality:Cleanliness:Price:GPS 557.58
## - Quality:Price:CreditorDebit:RideAvailability 557.80
## - Price:GPS:CreditorDebit:RideAvailability 558.03
## - Quality:Price:Booking:RideAvailability 558.25
## - Cleanliness:GPS:Booking:CreditorDebit 558.48
## - Quality:Price:GPS:Booking 559.18
## - Cleanliness:Price:GPS:Booking 560.42
## - Quality:GPS:Booking:RideAvailability 561.46
## - Cleanliness:Price:GPS:RideAvailability 562.00
## - Quality:Price:Booking:CreditorDebit 562.55
## - Quality:Price:GPS:CreditorDebit 572.80
## - Price:Booking:CreditorDebit:RideAvailability 580.39
##
## Step: AIC=551.18
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:Booking +
## Quality:Cleanliness:Price:CreditorDebit + Quality:Cleanliness:Price:RideAvailability +
## Quality:Cleanliness:GPS:Booking + Quality:Cleanliness:GPS:CreditorDebit +
## Quality:Cleanliness:GPS:RideAvailability + Quality:Cleanliness:Booking:CreditorDebit +
## Quality:Cleanliness:Booking:RideAvailability + Quality:Price:GPS:Booking +
## Quality:Price:GPS:CreditorDebit + Quality:Price:GPS:RideAvailability +
## Quality:Price:Booking:CreditorDebit + Quality:Price:Booking:RideAvailability +
## Quality:Price:CreditorDebit:RideAvailability + Quality:GPS:Booking:CreditorDebit +
## Quality:GPS:Booking:RideAvailability + Quality:GPS:CreditorDebit:RideAvailability +
## Quality:Booking:CreditorDebit:RideAvailability + Cleanliness:Price:GPS:Booking +
## Cleanliness:Price:GPS:RideAvailability + Cleanliness:Price:Booking:CreditorDebit +
## Cleanliness:Price:Booking:RideAvailability + Cleanliness:Price:CreditorDebit:RideAvailability +
## Cleanliness:GPS:Booking:CreditorDebit + Cleanliness:GPS:Booking:RideAvailability +
## Cleanliness:GPS:CreditorDebit:RideAvailability + Price:GPS:Booking:CreditorDebit +
## Price:GPS:Booking:RideAvailability + Price:GPS:CreditorDebit:RideAvailability +
## Price:Booking:CreditorDebit:RideAvailability + GPS:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## - Quality:Cleanliness:Booking:RideAvailability 1 8.51 2126.3
## - GPS:Booking:CreditorDebit:RideAvailability 1 15.82 2133.6
## - Quality:Cleanliness:Price:RideAvailability 1 21.95 2139.7
## - Quality:Price:GPS:RideAvailability 1 29.07 2146.8
## - Cleanliness:GPS:Booking:RideAvailability 1 29.07 2146.8
## - Quality:Cleanliness:Price:Booking 1 29.07 2146.8
## - Quality:Cleanliness:GPS:Booking 1 31.01 2148.8
## <none> 2117.8
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2154.9
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2157.1
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2161.7
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2164.1
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2164.1
## - Price:GPS:Booking:CreditorDebit 1 46.32 2164.1
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2166.5
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2176.9
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2191.3
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2197.4
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2210.6
## - Price:GPS:Booking:RideAvailability 1 103.32 2221.1
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2228.4
## - Quality:Cleanliness:Price:GPS 1 114.38 2232.1
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2235.9
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2239.8
## - Quality:Price:Booking:RideAvailability 1 126.01 2243.8
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2247.8
## - Quality:Price:GPS:Booking 1 142.38 2260.1
## - Cleanliness:Price:GPS:Booking 1 164.26 2282.0
## - Quality:GPS:Booking:RideAvailability 1 182.88 2300.6
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2310.3
## - Quality:Price:Booking:CreditorDebit 1 202.51 2320.3
## - Quality:Price:GPS:CreditorDebit 1 395.51 2513.3
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2666.4
## AIC
## - Quality:Cleanliness:Booking:RideAvailability 549.69
## - GPS:Booking:CreditorDebit:RideAvailability 550.13
## - Quality:Cleanliness:Price:RideAvailability 550.50
## - Quality:Price:GPS:RideAvailability 550.92
## - Cleanliness:GPS:Booking:RideAvailability 550.92
## - Quality:Cleanliness:Price:Booking 550.92
## - Quality:Cleanliness:GPS:Booking 551.04
## <none> 551.18
## - Cleanliness:GPS:CreditorDebit:RideAvailability 551.41
## - Cleanliness:Price:Booking:CreditorDebit 551.54
## - Cleanliness:Price:Booking:RideAvailability 551.81
## - Quality:Cleanliness:Booking:CreditorDebit 551.95
## - Quality:GPS:CreditorDebit:RideAvailability 551.95
## - Price:GPS:Booking:CreditorDebit 551.95
## - Quality:Booking:CreditorDebit:RideAvailability 552.09
## - Quality:GPS:Booking:CreditorDebit 552.70
## - Quality:Cleanliness:GPS:RideAvailability 553.55
## - Cleanliness:Price:CreditorDebit:RideAvailability 553.91
## - Quality:Cleanliness:Price:CreditorDebit 554.67
## - Price:GPS:Booking:RideAvailability 555.28
## - Quality:Cleanliness:GPS:CreditorDebit 555.70
## - Quality:Cleanliness:Price:GPS 555.91
## - Quality:Price:CreditorDebit:RideAvailability 556.13
## - Price:GPS:CreditorDebit:RideAvailability 556.35
## - Quality:Price:Booking:RideAvailability 556.58
## - Cleanliness:GPS:Booking:CreditorDebit 556.80
## - Quality:Price:GPS:Booking 557.51
## - Cleanliness:Price:GPS:Booking 558.74
## - Quality:GPS:Booking:RideAvailability 559.78
## - Cleanliness:Price:GPS:RideAvailability 560.32
## - Quality:Price:Booking:CreditorDebit 560.87
## - Quality:Price:GPS:CreditorDebit 571.10
## - Price:Booking:CreditorDebit:RideAvailability 578.67
##
## Step: AIC=549.69
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:Booking +
## Quality:Cleanliness:Price:CreditorDebit + Quality:Cleanliness:Price:RideAvailability +
## Quality:Cleanliness:GPS:Booking + Quality:Cleanliness:GPS:CreditorDebit +
## Quality:Cleanliness:GPS:RideAvailability + Quality:Cleanliness:Booking:CreditorDebit +
## Quality:Price:GPS:Booking + Quality:Price:GPS:CreditorDebit +
## Quality:Price:GPS:RideAvailability + Quality:Price:Booking:CreditorDebit +
## Quality:Price:Booking:RideAvailability + Quality:Price:CreditorDebit:RideAvailability +
## Quality:GPS:Booking:CreditorDebit + Quality:GPS:Booking:RideAvailability +
## Quality:GPS:CreditorDebit:RideAvailability + Quality:Booking:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS:Booking + Cleanliness:Price:GPS:RideAvailability +
## Cleanliness:Price:Booking:CreditorDebit + Cleanliness:Price:Booking:RideAvailability +
## Cleanliness:Price:CreditorDebit:RideAvailability + Cleanliness:GPS:Booking:CreditorDebit +
## Cleanliness:GPS:Booking:RideAvailability + Cleanliness:GPS:CreditorDebit:RideAvailability +
## Price:GPS:Booking:CreditorDebit + Price:GPS:Booking:RideAvailability +
## Price:GPS:CreditorDebit:RideAvailability + Price:Booking:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## - GPS:Booking:CreditorDebit:RideAvailability 1 15.82 2142.1
## - Quality:Cleanliness:Price:RideAvailability 1 21.95 2148.2
## - Quality:Price:GPS:RideAvailability 1 29.07 2155.3
## - Quality:Cleanliness:Price:Booking 1 29.07 2155.3
## - Cleanliness:GPS:Booking:RideAvailability 1 29.07 2155.3
## - Quality:Cleanliness:GPS:Booking 1 31.01 2157.3
## <none> 2126.3
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2163.4
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2165.6
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2170.2
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2172.6
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2172.6
## - Price:GPS:Booking:CreditorDebit 1 46.32 2172.6
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2175.0
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2185.4
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2199.8
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2205.9
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2219.1
## - Price:GPS:Booking:RideAvailability 1 103.32 2229.6
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2236.9
## - Quality:Cleanliness:Price:GPS 1 114.38 2240.6
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2244.4
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2248.3
## - Quality:Price:Booking:RideAvailability 1 126.01 2252.3
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2256.3
## - Quality:Price:GPS:Booking 1 142.38 2268.6
## - Cleanliness:Price:GPS:Booking 1 164.26 2290.5
## - Quality:GPS:Booking:RideAvailability 1 182.88 2309.1
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2318.8
## - Quality:Price:Booking:CreditorDebit 1 202.51 2328.8
## - Quality:Price:GPS:CreditorDebit 1 395.51 2521.8
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2674.9
## AIC
## - GPS:Booking:CreditorDebit:RideAvailability 548.64
## - Quality:Cleanliness:Price:RideAvailability 549.01
## - Quality:Price:GPS:RideAvailability 549.43
## - Quality:Cleanliness:Price:Booking 549.43
## - Cleanliness:GPS:Booking:RideAvailability 549.43
## - Quality:Cleanliness:GPS:Booking 549.54
## <none> 549.69
## - Cleanliness:GPS:CreditorDebit:RideAvailability 549.91
## - Cleanliness:Price:Booking:CreditorDebit 550.04
## - Cleanliness:Price:Booking:RideAvailability 550.31
## - Quality:Cleanliness:Booking:CreditorDebit 550.45
## - Quality:GPS:CreditorDebit:RideAvailability 550.45
## - Price:GPS:Booking:CreditorDebit 550.45
## - Quality:Booking:CreditorDebit:RideAvailability 550.59
## - Quality:GPS:Booking:CreditorDebit 551.20
## - Quality:Cleanliness:GPS:RideAvailability 552.04
## - Cleanliness:Price:CreditorDebit:RideAvailability 552.40
## - Quality:Cleanliness:Price:CreditorDebit 553.16
## - Price:GPS:Booking:RideAvailability 553.76
## - Quality:Cleanliness:GPS:CreditorDebit 554.18
## - Quality:Cleanliness:Price:GPS 554.40
## - Quality:Price:CreditorDebit:RideAvailability 554.62
## - Price:GPS:CreditorDebit:RideAvailability 554.84
## - Quality:Price:Booking:RideAvailability 555.06
## - Cleanliness:GPS:Booking:CreditorDebit 555.29
## - Quality:Price:GPS:Booking 555.99
## - Cleanliness:Price:GPS:Booking 557.22
## - Quality:GPS:Booking:RideAvailability 558.25
## - Cleanliness:Price:GPS:RideAvailability 558.79
## - Quality:Price:Booking:CreditorDebit 559.34
## - Quality:Price:GPS:CreditorDebit 569.53
## - Price:Booking:CreditorDebit:RideAvailability 577.07
##
## Step: AIC=548.64
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:Booking +
## Quality:Cleanliness:Price:CreditorDebit + Quality:Cleanliness:Price:RideAvailability +
## Quality:Cleanliness:GPS:Booking + Quality:Cleanliness:GPS:CreditorDebit +
## Quality:Cleanliness:GPS:RideAvailability + Quality:Cleanliness:Booking:CreditorDebit +
## Quality:Price:GPS:Booking + Quality:Price:GPS:CreditorDebit +
## Quality:Price:GPS:RideAvailability + Quality:Price:Booking:CreditorDebit +
## Quality:Price:Booking:RideAvailability + Quality:Price:CreditorDebit:RideAvailability +
## Quality:GPS:Booking:CreditorDebit + Quality:GPS:Booking:RideAvailability +
## Quality:GPS:CreditorDebit:RideAvailability + Quality:Booking:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS:Booking + Cleanliness:Price:GPS:RideAvailability +
## Cleanliness:Price:Booking:CreditorDebit + Cleanliness:Price:Booking:RideAvailability +
## Cleanliness:Price:CreditorDebit:RideAvailability + Cleanliness:GPS:Booking:CreditorDebit +
## Cleanliness:GPS:Booking:RideAvailability + Cleanliness:GPS:CreditorDebit:RideAvailability +
## Price:GPS:Booking:CreditorDebit + Price:GPS:Booking:RideAvailability +
## Price:GPS:CreditorDebit:RideAvailability + Price:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## - Quality:Cleanliness:Price:RideAvailability 1 21.95 2164.0
## - Quality:Cleanliness:Price:Booking 1 29.07 2171.2
## - Quality:Price:GPS:RideAvailability 1 29.07 2171.2
## - Cleanliness:GPS:Booking:RideAvailability 1 29.07 2171.2
## - Quality:Cleanliness:GPS:Booking 1 31.01 2173.1
## <none> 2142.1
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2179.3
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2181.5
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2186.0
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2188.4
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2188.4
## - Price:GPS:Booking:CreditorDebit 1 46.32 2188.4
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2190.8
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2201.2
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2215.6
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2221.8
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2234.9
## - Price:GPS:Booking:RideAvailability 1 103.32 2245.4
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2252.7
## - Quality:Cleanliness:Price:GPS 1 114.38 2256.5
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2260.3
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2264.2
## - Quality:Price:Booking:RideAvailability 1 126.01 2268.1
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2272.1
## - Quality:Price:GPS:Booking 1 142.38 2284.5
## - Cleanliness:Price:GPS:Booking 1 164.26 2306.3
## - Quality:GPS:Booking:RideAvailability 1 182.88 2325.0
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2334.7
## - Quality:Price:Booking:CreditorDebit 1 202.51 2344.6
## - Quality:Price:GPS:CreditorDebit 1 395.51 2537.6
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2690.7
## AIC
## - Quality:Cleanliness:Price:RideAvailability 547.94
## - Quality:Cleanliness:Price:Booking 548.37
## - Quality:Price:GPS:RideAvailability 548.37
## - Cleanliness:GPS:Booking:RideAvailability 548.37
## - Quality:Cleanliness:GPS:Booking 548.48
## <none> 548.64
## - Cleanliness:GPS:CreditorDebit:RideAvailability 548.84
## - Cleanliness:Price:Booking:CreditorDebit 548.97
## - Cleanliness:Price:Booking:RideAvailability 549.24
## - Quality:Cleanliness:Booking:CreditorDebit 549.38
## - Quality:GPS:CreditorDebit:RideAvailability 549.38
## - Price:GPS:Booking:CreditorDebit 549.38
## - Quality:Booking:CreditorDebit:RideAvailability 549.52
## - Quality:GPS:Booking:CreditorDebit 550.13
## - Quality:Cleanliness:GPS:RideAvailability 550.96
## - Cleanliness:Price:CreditorDebit:RideAvailability 551.32
## - Quality:Cleanliness:Price:CreditorDebit 552.07
## - Price:GPS:Booking:RideAvailability 552.67
## - Quality:Cleanliness:GPS:CreditorDebit 553.09
## - Quality:Cleanliness:Price:GPS 553.30
## - Quality:Price:CreditorDebit:RideAvailability 553.51
## - Price:GPS:CreditorDebit:RideAvailability 553.73
## - Quality:Price:Booking:RideAvailability 553.96
## - Cleanliness:GPS:Booking:CreditorDebit 554.18
## - Quality:Price:GPS:Booking 554.88
## - Cleanliness:Price:GPS:Booking 556.10
## - Quality:GPS:Booking:RideAvailability 557.13
## - Cleanliness:Price:GPS:RideAvailability 557.66
## - Quality:Price:Booking:CreditorDebit 558.20
## - Quality:Price:GPS:CreditorDebit 568.33
## - Price:Booking:CreditorDebit:RideAvailability 575.83
##
## Step: AIC=547.94
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:Booking +
## Quality:Cleanliness:Price:CreditorDebit + Quality:Cleanliness:GPS:Booking +
## Quality:Cleanliness:GPS:CreditorDebit + Quality:Cleanliness:GPS:RideAvailability +
## Quality:Cleanliness:Booking:CreditorDebit + Quality:Price:GPS:Booking +
## Quality:Price:GPS:CreditorDebit + Quality:Price:GPS:RideAvailability +
## Quality:Price:Booking:CreditorDebit + Quality:Price:Booking:RideAvailability +
## Quality:Price:CreditorDebit:RideAvailability + Quality:GPS:Booking:CreditorDebit +
## Quality:GPS:Booking:RideAvailability + Quality:GPS:CreditorDebit:RideAvailability +
## Quality:Booking:CreditorDebit:RideAvailability + Cleanliness:Price:GPS:Booking +
## Cleanliness:Price:GPS:RideAvailability + Cleanliness:Price:Booking:CreditorDebit +
## Cleanliness:Price:Booking:RideAvailability + Cleanliness:Price:CreditorDebit:RideAvailability +
## Cleanliness:GPS:Booking:CreditorDebit + Cleanliness:GPS:Booking:RideAvailability +
## Cleanliness:GPS:CreditorDebit:RideAvailability + Price:GPS:Booking:CreditorDebit +
## Price:GPS:Booking:RideAvailability + Price:GPS:CreditorDebit:RideAvailability +
## Price:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## - Quality:Cleanliness:Price:Booking 1 29.07 2193.1
## - Quality:Price:GPS:RideAvailability 1 29.07 2193.1
## - Cleanliness:GPS:Booking:RideAvailability 1 29.07 2193.1
## - Quality:Cleanliness:GPS:Booking 1 31.01 2195.0
## <none> 2164.0
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2201.2
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2203.4
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2208.0
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2210.3
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2210.3
## - Price:GPS:Booking:CreditorDebit 1 46.32 2210.3
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2212.8
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2223.2
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2237.5
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2243.7
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2256.8
## - Price:GPS:Booking:RideAvailability 1 103.32 2267.3
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2274.7
## - Quality:Cleanliness:Price:GPS 1 114.38 2278.4
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2282.2
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2286.1
## - Quality:Price:Booking:RideAvailability 1 126.01 2290.0
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2294.0
## - Quality:Price:GPS:Booking 1 142.38 2306.4
## - Cleanliness:Price:GPS:Booking 1 164.26 2328.3
## - Quality:GPS:Booking:RideAvailability 1 182.88 2346.9
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2356.6
## - Quality:Price:Booking:CreditorDebit 1 202.51 2366.5
## - Quality:Price:GPS:CreditorDebit 1 395.51 2559.5
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2712.7
## AIC
## - Quality:Cleanliness:Price:Booking 547.65
## - Quality:Price:GPS:RideAvailability 547.65
## - Cleanliness:GPS:Booking:RideAvailability 547.65
## - Quality:Cleanliness:GPS:Booking 547.77
## <none> 547.94
## - Cleanliness:GPS:CreditorDebit:RideAvailability 548.13
## - Cleanliness:Price:Booking:CreditorDebit 548.25
## - Cleanliness:Price:Booking:RideAvailability 548.52
## - Quality:Cleanliness:Booking:CreditorDebit 548.66
## - Quality:GPS:CreditorDebit:RideAvailability 548.66
## - Price:GPS:Booking:CreditorDebit 548.66
## - Quality:Booking:CreditorDebit:RideAvailability 548.80
## - Quality:GPS:Booking:CreditorDebit 549.40
## - Quality:Cleanliness:GPS:RideAvailability 550.22
## - Cleanliness:Price:CreditorDebit:RideAvailability 550.57
## - Quality:Cleanliness:Price:CreditorDebit 551.32
## - Price:GPS:Booking:RideAvailability 551.91
## - Quality:Cleanliness:GPS:CreditorDebit 552.33
## - Quality:Cleanliness:Price:GPS 552.54
## - Quality:Price:CreditorDebit:RideAvailability 552.75
## - Price:GPS:CreditorDebit:RideAvailability 552.97
## - Quality:Price:Booking:RideAvailability 553.19
## - Cleanliness:GPS:Booking:CreditorDebit 553.41
## - Quality:Price:GPS:Booking 554.10
## - Cleanliness:Price:GPS:Booking 555.31
## - Quality:GPS:Booking:RideAvailability 556.33
## - Cleanliness:Price:GPS:RideAvailability 556.86
## - Quality:Price:Booking:CreditorDebit 557.40
## - Quality:Price:GPS:CreditorDebit 567.43
## - Price:Booking:CreditorDebit:RideAvailability 574.87
##
## Step: AIC=547.65
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:CreditorDebit +
## Quality:Cleanliness:GPS:Booking + Quality:Cleanliness:GPS:CreditorDebit +
## Quality:Cleanliness:GPS:RideAvailability + Quality:Cleanliness:Booking:CreditorDebit +
## Quality:Price:GPS:Booking + Quality:Price:GPS:CreditorDebit +
## Quality:Price:GPS:RideAvailability + Quality:Price:Booking:CreditorDebit +
## Quality:Price:Booking:RideAvailability + Quality:Price:CreditorDebit:RideAvailability +
## Quality:GPS:Booking:CreditorDebit + Quality:GPS:Booking:RideAvailability +
## Quality:GPS:CreditorDebit:RideAvailability + Quality:Booking:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS:Booking + Cleanliness:Price:GPS:RideAvailability +
## Cleanliness:Price:Booking:CreditorDebit + Cleanliness:Price:Booking:RideAvailability +
## Cleanliness:Price:CreditorDebit:RideAvailability + Cleanliness:GPS:Booking:CreditorDebit +
## Cleanliness:GPS:Booking:RideAvailability + Cleanliness:GPS:CreditorDebit:RideAvailability +
## Price:GPS:Booking:CreditorDebit + Price:GPS:Booking:RideAvailability +
## Price:GPS:CreditorDebit:RideAvailability + Price:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## - Quality:Price:GPS:RideAvailability 1 29.07 2222.2
## - Cleanliness:GPS:Booking:RideAvailability 1 29.07 2222.2
## - Quality:Cleanliness:GPS:Booking 1 31.01 2224.1
## <none> 2193.1
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2230.3
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2232.5
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2237.0
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2239.4
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2239.4
## - Price:GPS:Booking:CreditorDebit 1 46.32 2239.4
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2241.8
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2252.2
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2266.6
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2272.8
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2285.9
## - Price:GPS:Booking:RideAvailability 1 103.32 2296.4
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2303.7
## - Quality:Cleanliness:Price:GPS 1 114.38 2307.5
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2311.3
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2315.2
## - Quality:Price:Booking:RideAvailability 1 126.01 2319.1
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2323.1
## - Quality:Price:GPS:Booking 1 142.38 2335.5
## - Cleanliness:Price:GPS:Booking 1 164.26 2357.3
## - Quality:GPS:Booking:RideAvailability 1 182.88 2376.0
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2385.7
## - Quality:Price:Booking:CreditorDebit 1 202.51 2395.6
## - Quality:Price:GPS:CreditorDebit 1 395.51 2588.6
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2741.7
## AIC
## - Quality:Price:GPS:RideAvailability 547.34
## - Cleanliness:GPS:Booking:RideAvailability 547.34
## - Quality:Cleanliness:GPS:Booking 547.45
## <none> 547.65
## - Cleanliness:GPS:CreditorDebit:RideAvailability 547.81
## - Cleanliness:Price:Booking:CreditorDebit 547.93
## - Cleanliness:Price:Booking:RideAvailability 548.19
## - Quality:Cleanliness:Booking:CreditorDebit 548.33
## - Quality:GPS:CreditorDebit:RideAvailability 548.33
## - Price:GPS:Booking:CreditorDebit 548.33
## - Quality:Booking:CreditorDebit:RideAvailability 548.47
## - Quality:GPS:Booking:CreditorDebit 549.06
## - Quality:Cleanliness:GPS:RideAvailability 549.87
## - Cleanliness:Price:CreditorDebit:RideAvailability 550.22
## - Quality:Cleanliness:Price:CreditorDebit 550.96
## - Price:GPS:Booking:RideAvailability 551.55
## - Quality:Cleanliness:GPS:CreditorDebit 551.95
## - Quality:Cleanliness:Price:GPS 552.16
## - Quality:Price:CreditorDebit:RideAvailability 552.37
## - Price:GPS:CreditorDebit:RideAvailability 552.59
## - Quality:Price:Booking:RideAvailability 552.80
## - Cleanliness:GPS:Booking:CreditorDebit 553.02
## - Quality:Price:GPS:Booking 553.70
## - Cleanliness:Price:GPS:Booking 554.90
## - Quality:GPS:Booking:RideAvailability 555.91
## - Cleanliness:Price:GPS:RideAvailability 556.43
## - Quality:Price:Booking:CreditorDebit 556.96
## - Quality:Price:GPS:CreditorDebit 566.88
## - Price:Booking:CreditorDebit:RideAvailability 574.23
##
## Step: AIC=547.34
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:CreditorDebit +
## Quality:Cleanliness:GPS:Booking + Quality:Cleanliness:GPS:CreditorDebit +
## Quality:Cleanliness:GPS:RideAvailability + Quality:Cleanliness:Booking:CreditorDebit +
## Quality:Price:GPS:Booking + Quality:Price:GPS:CreditorDebit +
## Quality:Price:Booking:CreditorDebit + Quality:Price:Booking:RideAvailability +
## Quality:Price:CreditorDebit:RideAvailability + Quality:GPS:Booking:CreditorDebit +
## Quality:GPS:Booking:RideAvailability + Quality:GPS:CreditorDebit:RideAvailability +
## Quality:Booking:CreditorDebit:RideAvailability + Cleanliness:Price:GPS:Booking +
## Cleanliness:Price:GPS:RideAvailability + Cleanliness:Price:Booking:CreditorDebit +
## Cleanliness:Price:Booking:RideAvailability + Cleanliness:Price:CreditorDebit:RideAvailability +
## Cleanliness:GPS:Booking:CreditorDebit + Cleanliness:GPS:Booking:RideAvailability +
## Cleanliness:GPS:CreditorDebit:RideAvailability + Price:GPS:Booking:CreditorDebit +
## Price:GPS:Booking:RideAvailability + Price:GPS:CreditorDebit:RideAvailability +
## Price:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## - Cleanliness:GPS:Booking:RideAvailability 1 29.07 2251.2
## - Quality:Cleanliness:GPS:Booking 1 31.01 2253.2
## <none> 2222.2
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2259.4
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2261.6
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2266.1
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2268.5
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2268.5
## - Price:GPS:Booking:CreditorDebit 1 46.32 2268.5
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2270.9
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2281.3
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2295.7
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2301.9
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2315.0
## - Price:GPS:Booking:RideAvailability 1 103.32 2325.5
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2332.8
## - Quality:Cleanliness:Price:GPS 1 114.38 2336.6
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2340.4
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2344.2
## - Quality:Price:Booking:RideAvailability 1 126.01 2348.2
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2352.2
## - Quality:Price:GPS:Booking 1 142.38 2364.6
## - Cleanliness:Price:GPS:Booking 1 164.26 2386.4
## - Quality:GPS:Booking:RideAvailability 1 182.88 2405.1
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2414.7
## - Quality:Price:Booking:CreditorDebit 1 202.51 2424.7
## - Quality:Price:GPS:CreditorDebit 1 395.51 2617.7
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2770.8
## AIC
## - Cleanliness:GPS:Booking:RideAvailability 547.00
## - Quality:Cleanliness:GPS:Booking 547.11
## <none> 547.34
## - Cleanliness:GPS:CreditorDebit:RideAvailability 547.46
## - Cleanliness:Price:Booking:CreditorDebit 547.59
## - Cleanliness:Price:Booking:RideAvailability 547.85
## - Quality:Cleanliness:Booking:CreditorDebit 547.98
## - Quality:GPS:CreditorDebit:RideAvailability 547.98
## - Price:GPS:Booking:CreditorDebit 547.98
## - Quality:Booking:CreditorDebit:RideAvailability 548.12
## - Quality:GPS:Booking:CreditorDebit 548.70
## - Quality:Cleanliness:GPS:RideAvailability 549.50
## - Cleanliness:Price:CreditorDebit:RideAvailability 549.85
## - Quality:Cleanliness:Price:CreditorDebit 550.58
## - Price:GPS:Booking:RideAvailability 551.16
## - Quality:Cleanliness:GPS:CreditorDebit 551.56
## - Quality:Cleanliness:Price:GPS 551.76
## - Quality:Price:CreditorDebit:RideAvailability 551.97
## - Price:GPS:CreditorDebit:RideAvailability 552.18
## - Quality:Price:Booking:RideAvailability 552.40
## - Cleanliness:GPS:Booking:CreditorDebit 552.62
## - Quality:Price:GPS:Booking 553.29
## - Cleanliness:Price:GPS:Booking 554.47
## - Quality:GPS:Booking:RideAvailability 555.46
## - Cleanliness:Price:GPS:RideAvailability 555.98
## - Quality:Price:Booking:CreditorDebit 556.50
## - Quality:Price:GPS:CreditorDebit 566.31
## - Price:Booking:CreditorDebit:RideAvailability 573.58
##
## Step: AIC=547
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:CreditorDebit +
## Quality:Cleanliness:GPS:Booking + Quality:Cleanliness:GPS:CreditorDebit +
## Quality:Cleanliness:GPS:RideAvailability + Quality:Cleanliness:Booking:CreditorDebit +
## Quality:Price:GPS:Booking + Quality:Price:GPS:CreditorDebit +
## Quality:Price:Booking:CreditorDebit + Quality:Price:Booking:RideAvailability +
## Quality:Price:CreditorDebit:RideAvailability + Quality:GPS:Booking:CreditorDebit +
## Quality:GPS:Booking:RideAvailability + Quality:GPS:CreditorDebit:RideAvailability +
## Quality:Booking:CreditorDebit:RideAvailability + Cleanliness:Price:GPS:Booking +
## Cleanliness:Price:GPS:RideAvailability + Cleanliness:Price:Booking:CreditorDebit +
## Cleanliness:Price:Booking:RideAvailability + Cleanliness:Price:CreditorDebit:RideAvailability +
## Cleanliness:GPS:Booking:CreditorDebit + Cleanliness:GPS:CreditorDebit:RideAvailability +
## Price:GPS:Booking:CreditorDebit + Price:GPS:Booking:RideAvailability +
## Price:GPS:CreditorDebit:RideAvailability + Price:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## - Quality:Cleanliness:GPS:Booking 1 31.01 2282.2
## <none> 2251.2
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2288.4
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2290.6
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2295.2
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2297.6
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2297.6
## - Price:GPS:Booking:CreditorDebit 1 46.32 2297.6
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2300.0
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2310.4
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2324.7
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2330.9
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2344.1
## - Price:GPS:Booking:RideAvailability 1 103.32 2354.6
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2361.9
## - Quality:Cleanliness:Price:GPS 1 114.38 2365.6
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2369.4
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2373.3
## - Quality:Price:Booking:RideAvailability 1 126.01 2377.2
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2381.2
## - Quality:Price:GPS:Booking 1 142.38 2393.6
## - Cleanliness:Price:GPS:Booking 1 164.26 2415.5
## - Quality:GPS:Booking:RideAvailability 1 182.88 2434.1
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2443.8
## - Quality:Price:Booking:CreditorDebit 1 202.51 2453.7
## - Quality:Price:GPS:CreditorDebit 1 395.51 2646.7
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2799.9
## AIC
## - Quality:Cleanliness:GPS:Booking 546.75
## <none> 547.00
## - Cleanliness:GPS:CreditorDebit:RideAvailability 547.10
## - Cleanliness:Price:Booking:CreditorDebit 547.22
## - Cleanliness:Price:Booking:RideAvailability 547.48
## - Quality:Cleanliness:Booking:CreditorDebit 547.61
## - Quality:GPS:CreditorDebit:RideAvailability 547.61
## - Price:GPS:Booking:CreditorDebit 547.61
## - Quality:Booking:CreditorDebit:RideAvailability 547.74
## - Quality:GPS:Booking:CreditorDebit 548.32
## - Quality:Cleanliness:GPS:RideAvailability 549.11
## - Cleanliness:Price:CreditorDebit:RideAvailability 549.46
## - Quality:Cleanliness:Price:CreditorDebit 550.17
## - Price:GPS:Booking:RideAvailability 550.75
## - Quality:Cleanliness:GPS:CreditorDebit 551.14
## - Quality:Cleanliness:Price:GPS 551.35
## - Quality:Price:CreditorDebit:RideAvailability 551.55
## - Price:GPS:CreditorDebit:RideAvailability 551.76
## - Quality:Price:Booking:RideAvailability 551.97
## - Cleanliness:GPS:Booking:CreditorDebit 552.19
## - Quality:Price:GPS:Booking 552.85
## - Cleanliness:Price:GPS:Booking 554.02
## - Quality:GPS:Booking:RideAvailability 555.00
## - Cleanliness:Price:GPS:RideAvailability 555.51
## - Quality:Price:Booking:CreditorDebit 556.03
## - Quality:Price:GPS:CreditorDebit 565.72
## - Price:Booking:CreditorDebit:RideAvailability 572.92
##
## Step: AIC=546.75
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability + Quality:Cleanliness + Quality:Price +
## Quality:GPS + Quality:Booking + Quality:CreditorDebit + Quality:RideAvailability +
## Cleanliness:Price + Cleanliness:GPS + Cleanliness:Booking +
## Cleanliness:CreditorDebit + Cleanliness:RideAvailability +
## Price:GPS + Price:Booking + Price:CreditorDebit + Price:RideAvailability +
## GPS:Booking + GPS:CreditorDebit + GPS:RideAvailability +
## Booking:CreditorDebit + Booking:RideAvailability + CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price + Quality:Cleanliness:GPS + Quality:Cleanliness:Booking +
## Quality:Cleanliness:CreditorDebit + Quality:Cleanliness:RideAvailability +
## Quality:Price:GPS + Quality:Price:Booking + Quality:Price:CreditorDebit +
## Quality:Price:RideAvailability + Quality:GPS:Booking + Quality:GPS:CreditorDebit +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Quality:Booking:RideAvailability + Quality:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS + Cleanliness:Price:Booking + Cleanliness:Price:CreditorDebit +
## Cleanliness:Price:RideAvailability + Cleanliness:GPS:Booking +
## Cleanliness:GPS:CreditorDebit + Cleanliness:GPS:RideAvailability +
## Cleanliness:Booking:CreditorDebit + Cleanliness:Booking:RideAvailability +
## Cleanliness:CreditorDebit:RideAvailability + Price:GPS:Booking +
## Price:GPS:CreditorDebit + Price:GPS:RideAvailability + Price:Booking:CreditorDebit +
## Price:Booking:RideAvailability + Price:CreditorDebit:RideAvailability +
## GPS:Booking:CreditorDebit + GPS:Booking:RideAvailability +
## GPS:CreditorDebit:RideAvailability + Booking:CreditorDebit:RideAvailability +
## Quality:Cleanliness:Price:GPS + Quality:Cleanliness:Price:CreditorDebit +
## Quality:Cleanliness:GPS:CreditorDebit + Quality:Cleanliness:GPS:RideAvailability +
## Quality:Cleanliness:Booking:CreditorDebit + Quality:Price:GPS:Booking +
## Quality:Price:GPS:CreditorDebit + Quality:Price:Booking:CreditorDebit +
## Quality:Price:Booking:RideAvailability + Quality:Price:CreditorDebit:RideAvailability +
## Quality:GPS:Booking:CreditorDebit + Quality:GPS:Booking:RideAvailability +
## Quality:GPS:CreditorDebit:RideAvailability + Quality:Booking:CreditorDebit:RideAvailability +
## Cleanliness:Price:GPS:Booking + Cleanliness:Price:GPS:RideAvailability +
## Cleanliness:Price:Booking:CreditorDebit + Cleanliness:Price:Booking:RideAvailability +
## Cleanliness:Price:CreditorDebit:RideAvailability + Cleanliness:GPS:Booking:CreditorDebit +
## Cleanliness:GPS:CreditorDebit:RideAvailability + Price:GPS:Booking:CreditorDebit +
## Price:GPS:Booking:RideAvailability + Price:GPS:CreditorDebit:RideAvailability +
## Price:Booking:CreditorDebit:RideAvailability
##
## Df Sum of Sq RSS
## <none> 2282.2
## - Cleanliness:GPS:CreditorDebit:RideAvailability 1 37.20 2319.4
## - Cleanliness:Price:Booking:CreditorDebit 1 39.38 2321.6
## - Cleanliness:Price:Booking:RideAvailability 1 43.95 2326.2
## - Quality:Cleanliness:Booking:CreditorDebit 1 46.32 2328.6
## - Quality:GPS:CreditorDebit:RideAvailability 1 46.32 2328.6
## - Price:GPS:Booking:CreditorDebit 1 46.32 2328.6
## - Quality:Booking:CreditorDebit:RideAvailability 1 48.76 2331.0
## - Quality:GPS:Booking:CreditorDebit 1 59.13 2341.4
## - Quality:Cleanliness:GPS:RideAvailability 1 73.51 2355.8
## - Cleanliness:Price:CreditorDebit:RideAvailability 1 79.70 2361.9
## - Quality:Cleanliness:Price:CreditorDebit 1 92.82 2375.1
## - Price:GPS:Booking:RideAvailability 1 103.32 2385.6
## - Quality:Cleanliness:GPS:CreditorDebit 1 110.63 2392.9
## - Quality:Cleanliness:Price:GPS 1 114.38 2396.6
## - Quality:Price:CreditorDebit:RideAvailability 1 118.20 2400.4
## - Price:GPS:CreditorDebit:RideAvailability 1 122.07 2404.3
## - Quality:Price:Booking:RideAvailability 1 126.01 2408.2
## - Cleanliness:GPS:Booking:CreditorDebit 1 130.01 2412.2
## - Quality:Price:GPS:Booking 1 142.38 2424.6
## - Cleanliness:Price:GPS:Booking 1 164.26 2446.5
## - Quality:GPS:Booking:RideAvailability 1 182.88 2465.1
## - Cleanliness:Price:GPS:RideAvailability 1 192.57 2474.8
## - Quality:Price:Booking:CreditorDebit 1 202.51 2484.8
## - Quality:Price:GPS:CreditorDebit 1 395.51 2677.8
## - Price:Booking:CreditorDebit:RideAvailability 1 548.63 2830.9
## AIC
## <none> 546.75
## - Cleanliness:GPS:CreditorDebit:RideAvailability 546.82
## - Cleanliness:Price:Booking:CreditorDebit 546.94
## - Cleanliness:Price:Booking:RideAvailability 547.19
## - Quality:Cleanliness:Booking:CreditorDebit 547.32
## - Quality:GPS:CreditorDebit:RideAvailability 547.32
## - Price:GPS:Booking:CreditorDebit 547.32
## - Quality:Booking:CreditorDebit:RideAvailability 547.46
## - Quality:GPS:Booking:CreditorDebit 548.03
## - Quality:Cleanliness:GPS:RideAvailability 548.81
## - Cleanliness:Price:CreditorDebit:RideAvailability 549.15
## - Quality:Cleanliness:Price:CreditorDebit 549.86
## - Price:GPS:Booking:RideAvailability 550.42
## - Quality:Cleanliness:GPS:CreditorDebit 550.81
## - Quality:Cleanliness:Price:GPS 551.01
## - Quality:Price:CreditorDebit:RideAvailability 551.22
## - Price:GPS:CreditorDebit:RideAvailability 551.42
## - Quality:Price:Booking:RideAvailability 551.63
## - Cleanliness:GPS:Booking:CreditorDebit 551.84
## - Quality:Price:GPS:Booking 552.50
## - Cleanliness:Price:GPS:Booking 553.65
## - Quality:GPS:Booking:RideAvailability 554.62
## - Cleanliness:Price:GPS:RideAvailability 555.12
## - Quality:Price:Booking:CreditorDebit 555.63
## - Quality:Price:GPS:CreditorDebit 565.21
## - Price:Booking:CreditorDebit:RideAvailability 572.33
summary(ModelStepWise1)
## Df Sum Sq Mean Sq F value
## Quality 1 4548 4548 77.722
## Cleanliness 1 5369 5369 91.749
## Price 1 4692 4692 80.186
## GPS 1 4913 4913 83.954
## Booking 1 4692 4692 80.186
## CreditorDebit 1 4790 4790 81.850
## RideAvailability 1 3687 3687 63.010
## Quality:Cleanliness 1 27 27 0.465
## Quality:Price 1 178 178 3.044
## Quality:GPS 1 1 1 0.011
## Quality:Booking 1 19 19 0.321
## Quality:CreditorDebit 1 39 39 0.673
## Quality:RideAvailability 1 37 37 0.636
## Cleanliness:Price 1 173 173 2.964
## Cleanliness:GPS 1 35 35 0.599
## Cleanliness:Booking 1 142 142 2.433
## Cleanliness:CreditorDebit 1 107 107 1.828
## Cleanliness:RideAvailability 1 77 77 1.308
## Price:GPS 1 25 25 0.434
## Price:Booking 1 17 17 0.295
## Price:CreditorDebit 1 68 68 1.155
## Price:RideAvailability 1 17 17 0.295
## GPS:Booking 1 103 103 1.766
## GPS:CreditorDebit 1 4 4 0.071
## GPS:RideAvailability 1 20 20 0.347
## Booking:CreditorDebit 1 160 160 2.730
## Booking:RideAvailability 1 0 0 0.000
## CreditorDebit:RideAvailability 1 0 0 0.000
## Quality:Cleanliness:Price 1 29 29 0.497
## Quality:Cleanliness:GPS 1 0 0 0.003
## Quality:Cleanliness:Booking 1 2 2 0.039
## Quality:Cleanliness:CreditorDebit 1 29 29 0.497
## Quality:Cleanliness:RideAvailability 1 12 12 0.203
## Quality:Price:GPS 1 12 12 0.203
## Quality:Price:Booking 1 49 49 0.833
## Quality:Price:CreditorDebit 1 54 54 0.920
## Quality:Price:RideAvailability 1 403 403 6.879
## Quality:GPS:Booking 1 151 151 2.579
## Quality:GPS:CreditorDebit 1 0 0 0.007
## Quality:GPS:RideAvailability 1 267 267 4.569
## Quality:Booking:CreditorDebit 1 484 484 8.277
## Quality:Booking:RideAvailability 1 80 80 1.362
## Quality:CreditorDebit:RideAvailability 1 11 11 0.183
## Cleanliness:Price:GPS 1 17 17 0.295
## Cleanliness:Price:Booking 1 10 10 0.164
## Cleanliness:Price:CreditorDebit 1 46 46 0.792
## Cleanliness:Price:RideAvailability 1 9 9 0.145
## Cleanliness:GPS:Booking 1 25 25 0.434
## Cleanliness:GPS:CreditorDebit 1 309 309 5.287
## Cleanliness:GPS:RideAvailability 1 0 0 0.001
## Cleanliness:Booking:CreditorDebit 1 93 93 1.586
## Cleanliness:Booking:RideAvailability 1 54 54 0.920
## Cleanliness:CreditorDebit:RideAvailability 1 111 111 1.891
## Price:GPS:Booking 1 12 12 0.203
## Price:GPS:CreditorDebit 1 111 111 1.891
## Price:GPS:RideAvailability 1 86 86 1.472
## Price:Booking:CreditorDebit 1 62 62 1.057
## Price:Booking:RideAvailability 1 68 68 1.155
## Price:CreditorDebit:RideAvailability 1 2 2 0.039
## GPS:Booking:CreditorDebit 1 147 147 2.506
## GPS:Booking:RideAvailability 1 77 77 1.308
## GPS:CreditorDebit:RideAvailability 1 39 39 0.673
## Booking:CreditorDebit:RideAvailability 1 0 0 0.003
## Quality:Cleanliness:Price:GPS 1 114 114 1.955
## Quality:Cleanliness:Price:CreditorDebit 1 93 93 1.586
## Quality:Cleanliness:GPS:CreditorDebit 1 111 111 1.891
## Quality:Cleanliness:GPS:RideAvailability 1 74 74 1.256
## Quality:Cleanliness:Booking:CreditorDebit 1 46 46 0.792
## Quality:Price:GPS:Booking 1 142 142 2.433
## Quality:Price:GPS:CreditorDebit 1 396 396 6.759
## Quality:Price:Booking:CreditorDebit 1 203 203 3.461
## Quality:Price:Booking:RideAvailability 1 126 126 2.153
## Quality:Price:CreditorDebit:RideAvailability 1 118 118 2.020
## Quality:GPS:Booking:CreditorDebit 1 59 59 1.010
## Quality:GPS:Booking:RideAvailability 1 183 183 3.125
## Quality:GPS:CreditorDebit:RideAvailability 1 46 46 0.792
## Quality:Booking:CreditorDebit:RideAvailability 1 49 49 0.833
## Cleanliness:Price:GPS:Booking 1 164 164 2.807
## Cleanliness:Price:GPS:RideAvailability 1 193 193 3.291
## Cleanliness:Price:Booking:CreditorDebit 1 39 39 0.673
## Cleanliness:Price:Booking:RideAvailability 1 44 44 0.751
## Cleanliness:Price:CreditorDebit:RideAvailability 1 80 80 1.362
## Cleanliness:GPS:Booking:CreditorDebit 1 130 130 2.222
## Cleanliness:GPS:CreditorDebit:RideAvailability 1 37 37 0.636
## Price:GPS:Booking:CreditorDebit 1 46 46 0.792
## Price:GPS:Booking:RideAvailability 1 103 103 1.766
## Price:GPS:CreditorDebit:RideAvailability 1 122 122 2.086
## Price:Booking:CreditorDebit:RideAvailability 1 549 549 9.375
## Residuals 39 2282 59
## Pr(>F)
## Quality 8.00e-11 ***
## Cleanliness 8.54e-12 ***
## Price 5.30e-11 ***
## GPS 2.87e-11 ***
## Booking 5.30e-11 ***
## CreditorDebit 4.03e-11 ***
## RideAvailability 1.15e-09 ***
## Quality:Cleanliness 0.49945
## Quality:Price 0.08891 .
## Quality:GPS 0.91771
## Quality:Booking 0.57453
## Quality:CreditorDebit 0.41700
## Quality:RideAvailability 0.43013
## Cleanliness:Price 0.09307 .
## Cleanliness:GPS 0.44351
## Cleanliness:Booking 0.12688
## Cleanliness:CreditorDebit 0.18421
## Cleanliness:RideAvailability 0.25964
## Price:GPS 0.51402
## Price:Booking 0.59018
## Price:CreditorDebit 0.28918
## Price:RideAvailability 0.59018
## GPS:Booking 0.19165
## GPS:CreditorDebit 0.79183
## GPS:RideAvailability 0.55908
## Booking:CreditorDebit 0.10651
## Booking:RideAvailability 0.99084
## CreditorDebit:RideAvailability 0.99084
## Quality:Cleanliness:Price 0.48511
## Quality:Cleanliness:GPS 0.95423
## Quality:Cleanliness:Booking 0.84530
## Quality:Cleanliness:CreditorDebit 0.48511
## Quality:Cleanliness:RideAvailability 0.65476
## Quality:Price:GPS 0.65476
## Quality:Price:Booking 0.36696
## Quality:Price:CreditorDebit 0.34346
## Quality:Price:RideAvailability 0.01238 *
## Quality:GPS:Booking 0.11633
## Quality:GPS:CreditorDebit 0.93595
## Quality:GPS:RideAvailability 0.03888 *
## Quality:Booking:CreditorDebit 0.00648 **
## Quality:Booking:RideAvailability 0.25030
## Quality:CreditorDebit:RideAvailability 0.67136
## Cleanliness:Price:GPS 0.59018
## Cleanliness:Price:Booking 0.68813
## Cleanliness:Price:CreditorDebit 0.37909
## Cleanliness:Price:RideAvailability 0.70505
## Cleanliness:GPS:Booking 0.51402
## Cleanliness:GPS:CreditorDebit 0.02693 *
## Cleanliness:GPS:RideAvailability 0.97253
## Cleanliness:Booking:CreditorDebit 0.21536
## Cleanliness:Booking:RideAvailability 0.34346
## Cleanliness:CreditorDebit:RideAvailability 0.17699
## Price:GPS:Booking 0.65476
## Price:GPS:CreditorDebit 0.17699
## Price:GPS:RideAvailability 0.23235
## Price:Booking:CreditorDebit 0.31013
## Price:Booking:RideAvailability 0.28918
## Price:CreditorDebit:RideAvailability 0.84530
## GPS:Booking:CreditorDebit 0.12151
## GPS:Booking:RideAvailability 0.25964
## GPS:CreditorDebit:RideAvailability 0.41700
## Booking:CreditorDebit:RideAvailability 0.95423
## Quality:Cleanliness:Price:GPS 0.16999
## Quality:Cleanliness:Price:CreditorDebit 0.21536
## Quality:Cleanliness:GPS:CreditorDebit 0.17699
## Quality:Cleanliness:GPS:RideAvailability 0.26924
## Quality:Cleanliness:Booking:CreditorDebit 0.37909
## Quality:Price:GPS:Booking 0.12688
## Quality:Price:GPS:CreditorDebit 0.01311 *
## Quality:Price:Booking:CreditorDebit 0.07040 .
## Quality:Price:Booking:RideAvailability 0.15028
## Quality:Price:CreditorDebit:RideAvailability 0.16321
## Quality:GPS:Booking:CreditorDebit 0.32098
## Quality:GPS:Booking:RideAvailability 0.08491 .
## Quality:GPS:CreditorDebit:RideAvailability 0.37909
## Quality:Booking:CreditorDebit:RideAvailability 0.36696
## Cleanliness:Price:GPS:Booking 0.10186
## Cleanliness:Price:GPS:RideAvailability 0.07737 .
## Cleanliness:Price:Booking:CreditorDebit 0.41700
## Cleanliness:Price:Booking:RideAvailability 0.39147
## Cleanliness:Price:CreditorDebit:RideAvailability 0.25030
## Cleanliness:GPS:Booking:CreditorDebit 0.14413
## Cleanliness:GPS:CreditorDebit:RideAvailability 0.43013
## Price:GPS:Booking:CreditorDebit 0.37909
## Price:GPS:Booking:RideAvailability 0.19165
## Price:GPS:CreditorDebit:RideAvailability 0.15664
## Price:Booking:CreditorDebit:RideAvailability 0.00397 **
## Residuals
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
model=aov(Rating~Quality+Cleanliness+Price+GPS+Booking+CreditorDebit+RideAvailability,data=lab1part4)
summary(model)
## Df Sum Sq Mean Sq F value Pr(>F)
## Quality 1 4548 4548 56.50 1.12e-11 ***
## Cleanliness 1 5369 5369 66.70 3.64e-13 ***
## Price 1 4692 4692 58.29 6.03e-12 ***
## GPS 1 4913 4913 61.03 2.38e-12 ***
## Booking 1 4692 4692 58.29 6.03e-12 ***
## CreditorDebit 1 4790 4790 59.50 3.99e-12 ***
## RideAvailability 1 3687 3687 45.81 5.09e-10 ***
## Residuals 120 9660 80
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
ModelStepWise = step(model,direction="backward")
## Start: AIC=569.43
## Rating ~ Quality + Cleanliness + Price + GPS + Booking + CreditorDebit +
## RideAvailability
##
## Df Sum of Sq RSS AIC
## <none> 9659.6 569.43
## - RideAvailability 1 3687.3 13346.9 608.82
## - Quality 1 4548.2 14207.8 616.82
## - Price 1 4692.4 14352.0 618.11
## - Booking 1 4692.4 14352.0 618.11
## - CreditorDebit 1 4789.8 14449.4 618.98
## - GPS 1 4912.9 14572.5 620.06
## - Cleanliness 1 5369.1 15028.7 624.01
summary(ModelStepWise)
## Df Sum Sq Mean Sq F value Pr(>F)
## Quality 1 4548 4548 56.50 1.12e-11 ***
## Cleanliness 1 5369 5369 66.70 3.64e-13 ***
## Price 1 4692 4692 58.29 6.03e-12 ***
## GPS 1 4913 4913 61.03 2.38e-12 ***
## Booking 1 4692 4692 58.29 6.03e-12 ***
## CreditorDebit 1 4790 4790 59.50 3.99e-12 ***
## RideAvailability 1 3687 3687 45.81 5.09e-10 ***
## Residuals 120 9660 80
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
model3 <- aov(Rating~Quality+Cleanliness+Price+GPS+Booking+CreditorDebit+RideAvailability+Quality:Price:RideAvailability+Quality:GPS:RideAvailability+Quality:Booking:CreditorDebit+Cleanliness:GPS:CreditorDebit+Quality:Price:GPS:CreditorDebit+Price:Booking:CreditorDebit:RideAvailability,data=lab1part4)
summary.lm(model3)
##
## Call:
## aov(formula = Rating ~ Quality + Cleanliness + Price + GPS +
## Booking + CreditorDebit + RideAvailability + Quality:Price:RideAvailability +
## Quality:GPS:RideAvailability + Quality:Booking:CreditorDebit +
## Cleanliness:GPS:CreditorDebit + Quality:Price:GPS:CreditorDebit +
## Price:Booking:CreditorDebit:RideAvailability, data = lab1part4)
##
## Residuals:
## Min 1Q Median 3Q Max
## -17.2344 -4.9570 -0.1797 4.9766 17.6875
##
## Coefficients: (30 not defined because of singularities)
## Estimate Std. Error
## (Intercept) 17.0781 15.2314
## Quality1 12.7344 5.2967
## Cleanliness1 13.1875 2.9381
## Price1 8.7344 5.6896
## GPS1 11.3750 5.0889
## Booking1 7.2500 4.6455
## CreditorDebit1 6.3281 6.0570
## RideAvailability1 13.3125 5.0889
## Quality-1:Price-1:RideAvailability-1 -3.5312 9.7446
## Quality1:Price-1:RideAvailability-1 10.4688 6.5698
## Quality-1:Price1:RideAvailability-1 3.4688 5.0889
## Quality1:Price1:RideAvailability-1 NA NA
## Quality-1:Price-1:RideAvailability1 -3.2812 6.5698
## Quality1:Price-1:RideAvailability1 NA NA
## Quality-1:Price1:RideAvailability1 NA NA
## Quality1:Price1:RideAvailability1 NA NA
## Quality-1:GPS1:RideAvailability-1 7.1562 6.5698
## Quality1:GPS1:RideAvailability-1 -7.3750 4.1551
## Quality-1:GPS1:RideAvailability1 2.9687 6.5698
## Quality1:GPS1:RideAvailability1 NA NA
## Quality-1:Booking-1:CreditorDebit-1 -12.2500 9.2911
## Quality1:Booking-1:CreditorDebit-1 -6.9062 6.5698
## Quality-1:Booking1:CreditorDebit-1 -14.6562 6.5698
## Quality1:Booking1:CreditorDebit-1 NA NA
## Quality-1:Booking-1:CreditorDebit1 -6.2500 4.1551
## Quality1:Booking-1:CreditorDebit1 NA NA
## Quality-1:Booking1:CreditorDebit1 NA NA
## Quality1:Booking1:CreditorDebit1 NA NA
## Cleanliness-1:GPS-1:CreditorDebit-1 -9.7812 7.7735
## Cleanliness1:GPS-1:CreditorDebit-1 -4.0312 6.5698
## Cleanliness-1:GPS1:CreditorDebit-1 2.5625 4.1551
## Cleanliness1:GPS1:CreditorDebit-1 NA NA
## Cleanliness-1:GPS-1:CreditorDebit1 4.1250 4.1551
## Cleanliness1:GPS-1:CreditorDebit1 NA NA
## Cleanliness-1:GPS1:CreditorDebit1 NA NA
## Cleanliness1:GPS1:CreditorDebit1 NA NA
## Quality-1:Price-1:GPS-1:CreditorDebit-1 19.2187 11.3792
## Quality1:Price-1:GPS-1:CreditorDebit-1 7.4688 7.7735
## Quality-1:Price1:GPS-1:CreditorDebit-1 14.5000 8.3102
## Quality1:Price1:GPS-1:CreditorDebit-1 NA NA
## Quality-1:Price-1:GPS1:CreditorDebit-1 8.5938 7.7735
## Quality1:Price-1:GPS1:CreditorDebit-1 -0.2812 7.7735
## Quality-1:Price1:GPS1:CreditorDebit-1 NA NA
## Quality1:Price1:GPS1:CreditorDebit-1 NA NA
## Quality-1:Price-1:GPS-1:CreditorDebit1 2.7500 5.8762
## Quality1:Price-1:GPS-1:CreditorDebit1 -13.7500 5.8762
## Quality-1:Price1:GPS-1:CreditorDebit1 NA NA
## Quality1:Price1:GPS-1:CreditorDebit1 NA NA
## Quality-1:Price-1:GPS1:CreditorDebit1 NA NA
## Quality1:Price-1:GPS1:CreditorDebit1 NA NA
## Quality-1:Price1:GPS1:CreditorDebit1 NA NA
## Quality1:Price1:GPS1:CreditorDebit1 NA NA
## Price-1:Booking-1:CreditorDebit-1:RideAvailability-1 -6.3750 7.1968
## Price1:Booking-1:CreditorDebit-1:RideAvailability-1 -3.3750 5.8762
## Price-1:Booking1:CreditorDebit-1:RideAvailability-1 -7.8750 5.8762
## Price1:Booking1:CreditorDebit-1:RideAvailability-1 7.6250 5.8762
## Price-1:Booking-1:CreditorDebit1:RideAvailability-1 -4.3750 5.8762
## Price1:Booking-1:CreditorDebit1:RideAvailability-1 5.2500 5.8762
## Price-1:Booking1:CreditorDebit1:RideAvailability-1 NA NA
## Price1:Booking1:CreditorDebit1:RideAvailability-1 NA NA
## Price-1:Booking-1:CreditorDebit-1:RideAvailability1 -9.8750 5.8762
## Price1:Booking-1:CreditorDebit-1:RideAvailability1 NA NA
## Price-1:Booking1:CreditorDebit-1:RideAvailability1 NA NA
## Price1:Booking1:CreditorDebit-1:RideAvailability1 NA NA
## Price-1:Booking-1:CreditorDebit1:RideAvailability1 1.1250 5.8762
## Price1:Booking-1:CreditorDebit1:RideAvailability1 NA NA
## Price-1:Booking1:CreditorDebit1:RideAvailability1 NA NA
## Price1:Booking1:CreditorDebit1:RideAvailability1 NA NA
## t value Pr(>|t|)
## (Intercept) 1.121 0.2652
## Quality1 2.404 0.0183 *
## Cleanliness1 4.488 2.12e-05 ***
## Price1 1.535 0.1283
## GPS1 2.235 0.0279 *
## Booking1 1.561 0.1221
## CreditorDebit1 1.045 0.2989
## RideAvailability1 2.616 0.0104 *
## Quality-1:Price-1:RideAvailability-1 -0.362 0.7179
## Quality1:Price-1:RideAvailability-1 1.593 0.1146
## Quality-1:Price1:RideAvailability-1 0.682 0.4972
## Quality1:Price1:RideAvailability-1 NA NA
## Quality-1:Price-1:RideAvailability1 -0.499 0.6187
## Quality1:Price-1:RideAvailability1 NA NA
## Quality-1:Price1:RideAvailability1 NA NA
## Quality1:Price1:RideAvailability1 NA NA
## Quality-1:GPS1:RideAvailability-1 1.089 0.2789
## Quality1:GPS1:RideAvailability-1 -1.775 0.0793 .
## Quality-1:GPS1:RideAvailability1 0.452 0.6524
## Quality1:GPS1:RideAvailability1 NA NA
## Quality-1:Booking-1:CreditorDebit-1 -1.318 0.1907
## Quality1:Booking-1:CreditorDebit-1 -1.051 0.2960
## Quality-1:Booking1:CreditorDebit-1 -2.231 0.0282 *
## Quality1:Booking1:CreditorDebit-1 NA NA
## Quality-1:Booking-1:CreditorDebit1 -1.504 0.1360
## Quality1:Booking-1:CreditorDebit1 NA NA
## Quality-1:Booking1:CreditorDebit1 NA NA
## Quality1:Booking1:CreditorDebit1 NA NA
## Cleanliness-1:GPS-1:CreditorDebit-1 -1.258 0.2115
## Cleanliness1:GPS-1:CreditorDebit-1 -0.614 0.5410
## Cleanliness-1:GPS1:CreditorDebit-1 0.617 0.5390
## Cleanliness1:GPS1:CreditorDebit-1 NA NA
## Cleanliness-1:GPS-1:CreditorDebit1 0.993 0.3235
## Cleanliness1:GPS-1:CreditorDebit1 NA NA
## Cleanliness-1:GPS1:CreditorDebit1 NA NA
## Cleanliness1:GPS1:CreditorDebit1 NA NA
## Quality-1:Price-1:GPS-1:CreditorDebit-1 1.689 0.0947 .
## Quality1:Price-1:GPS-1:CreditorDebit-1 0.961 0.3392
## Quality-1:Price1:GPS-1:CreditorDebit-1 1.745 0.0844 .
## Quality1:Price1:GPS-1:CreditorDebit-1 NA NA
## Quality-1:Price-1:GPS1:CreditorDebit-1 1.106 0.2719
## Quality1:Price-1:GPS1:CreditorDebit-1 -0.036 0.9712
## Quality-1:Price1:GPS1:CreditorDebit-1 NA NA
## Quality1:Price1:GPS1:CreditorDebit-1 NA NA
## Quality-1:Price-1:GPS-1:CreditorDebit1 0.468 0.6409
## Quality1:Price-1:GPS-1:CreditorDebit1 -2.340 0.0215 *
## Quality-1:Price1:GPS-1:CreditorDebit1 NA NA
## Quality1:Price1:GPS-1:CreditorDebit1 NA NA
## Quality-1:Price-1:GPS1:CreditorDebit1 NA NA
## Quality1:Price-1:GPS1:CreditorDebit1 NA NA
## Quality-1:Price1:GPS1:CreditorDebit1 NA NA
## Quality1:Price1:GPS1:CreditorDebit1 NA NA
## Price-1:Booking-1:CreditorDebit-1:RideAvailability-1 -0.886 0.3781
## Price1:Booking-1:CreditorDebit-1:RideAvailability-1 -0.574 0.5672
## Price-1:Booking1:CreditorDebit-1:RideAvailability-1 -1.340 0.1836
## Price1:Booking1:CreditorDebit-1:RideAvailability-1 1.298 0.1977
## Price-1:Booking-1:CreditorDebit1:RideAvailability-1 -0.745 0.4585
## Price1:Booking-1:CreditorDebit1:RideAvailability-1 0.893 0.3740
## Price-1:Booking1:CreditorDebit1:RideAvailability-1 NA NA
## Price1:Booking1:CreditorDebit1:RideAvailability-1 NA NA
## Price-1:Booking-1:CreditorDebit-1:RideAvailability1 -1.681 0.0963 .
## Price1:Booking-1:CreditorDebit-1:RideAvailability1 NA NA
## Price-1:Booking1:CreditorDebit-1:RideAvailability1 NA NA
## Price1:Booking1:CreditorDebit-1:RideAvailability1 NA NA
## Price-1:Booking-1:CreditorDebit1:RideAvailability1 0.191 0.8486
## Price1:Booking-1:CreditorDebit1:RideAvailability1 NA NA
## Price-1:Booking1:CreditorDebit1:RideAvailability1 NA NA
## Price1:Booking1:CreditorDebit1:RideAvailability1 NA NA
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## Residual standard error: 8.31 on 90 degrees of freedom
## Multiple R-squared: 0.8532, Adjusted R-squared: 0.7929
## F-statistic: 14.14 on 37 and 90 DF, p-value: < 2.2e-16
From last model the most significant factors are : Quality , Cleanliness , GPS , RideAvailability , Quality:Booking:CreditorDebit and Quality:Price:GPS:CreditorDebit