carAuction: Cars purchased at auction
In HRW: Datasets, Functions and Scripts for Semiparametric Regression Supporting Harezlak, Ruppert & Wand (2018)
Description
Usage
Format
Source
Examples
Description
The carAuction data frame has data on several variables concerning cars purchased at automobile auctions by automobile dealerships in the United States of America. The origin of these data is a classification competition titled “Don't Get Kicked!” that ran on the ‘kaggle’ platform (https://www.kaggle.com) during 2011-2012. Many of the variables in this data frame have been derived from those in the original data set from https://www.kaggle.com.
Usage
1
Format
This data frame contains the following columns:
RefIdunique number assigned to each vehicles.
IsBadBuyindicator that the vehicle purchased at auction by an automobile dealership has serious problems that hinder or prevent it being sold - a "bad buy":
1 = the vehicle is a "bad buy"
0 = the vehicle is a "good buy".
All other indicator variables are defined in this way.
purchIn2010indicator that vehicle was purchased in 2010.
aucEqAdesaindicator that the auction provider at which the vehicle was purchased was Adesa.
aucEqManheimindicator that the auction provider at which the vehicle was purchased was Manheim.
vehYearEq03indicator that the manufacturer's year of the vehicle is 2003.
vehYearEq04indicator that the manufacturer's year of the vehicle is 2004.
vehYearEq05indicator that the manufacturer's year of the vehicle is 2005.
vehYearEq06indicator that the manufacturer's year of the vehicle is 2006.
vehYearEq07indicator that the manufacturer's year of the vehicle is 2007.
ageAtSaleage of the vehicle in years when sold.
makeEqChevroletindicator that the vehicle's manufacturer is Chevrolet.
makeEqFordindicator that the vehicle's manufacturer is Ford.
makeEqDodgeindicator that the vehicle's manufacturer is Dodge.
makeEqChryslerindicator that the vehicle's manufacturer is Chrysler.
trimEqBasindicator that the trim level of the vehicle is 'Bas'.
trimEqLSindicator that the trim level of the vehicle is 'LS'.
trimEqSEindicator that the trim level of the vehicle is 'SE'.
subModelEq4DSEDANindicator that the submodel of the vehicle is '4DSedan'.
subModelEq4DSEDANLSindicator that the submodel of the vehicle is '4DSedanLS'.
subModelEq4DSEDANSEindicator that the submodel of the vehicle is '4DSedanSE'.
colourEqSilverindicator that the vehicle color is silver.
colourEqWhiteindicator that the vehicle color is white.
colourEqBlueindicator that the vehicle color is blue.
colourEqGreyindicator that the vehicle color is grey.
colourEqBlackindicator that the vehicle color is black.
colourEqRedindicator that the vehicle color is red.
colourEqGoldindicator that the vehicle color is gold.
colourEqOrangeindicator that the vehicle color is orange.
transEqManualindicator that the vehicle has manual transmission.
wheelEqAlloyindicator that the vehicle has alloy wheels.
wheelEqCoversindicator that the vehicle has covered wheels.
odomReadthe vehicle's odometer reading in miles.
AmericanMadeindicator that the vehicle was manufactured in the United States of America.
otherAsianMadeindicator that the vehicle was manuctured in an Asian nation other than Japan or South Korea.
sizeEqTruckindicator that the size category of the vehicle is 'truck'.
sizeEqMediumindicator that the size category of the vehicle is 'medium'.
sizeEqSUVindicator that the size category of the vehicle is 'SUV'.
sizeEqCompactindicator that the size category of the vehicle is 'compact'.
sizeEqVanindicator that the size category of the vehicle is 'van'.
priceacquisition price for this vehicle in average condition at time of purchase in U.S. dollars.
purchInTexasindicator that the vehicle was purchased in Texas.
purchInFloridaindicator that the vehicle was purchased in Florida.
purchInCaliforniaindicator that the vehicle was purchased in California.
purchInNorthCarolinaindicator that the vehicle was purchased in North Carolina.
purchInArizonaindicator that the vehicle was purchased in Arizona.
purchInColoradoindicator that the vehicle was purchased in Colorado.
purchInSouthCarolinaindicator that the vehicle was purchased in South Carolina.
costAtPurchacquisition cost paid for the vehicle at time of purchase.
onlineSaleindicator that the vehicle was purchased online.
warrantyCostwarranty cost in U.S. dollars.
Source
The “Don't Get Kicked” competition, https://www.kaggle.com.
Examples
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library(HRW) ; data(carAuction)
## Not run:
for (colNum in 3:10)
{
plot(jitter(carAuction[,colNum]),jitter(carAuction$IsBadBuy),pch = ".",
xlab = names(carAuction)[colNum],ylab = "is car a bad buy?",col = "blue")
readline("Hit Enter to continue.\n")
}
for (colNum in 11:51)
{
plot(jitter(carAuction[,colNum]),jitter(carAuction$IsBadBuy),pch = ".",
xlab = names(carAuction)[colNum],ylab = "is car a bad buy?",col = "blue")
readline("Hit Enter to continue.\n")
}
## End(Not run)
Example output
Loading required package: KernSmooth
KernSmooth 2.23 loaded
Copyright M. P. Wand 1997-2009
Loading required package: splines
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
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HRW documentation built on Nov. 23, 2021, 9:07 a.m.
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Description Usage Format Source Examples
Description
The carAuction data frame has data on several variables concerning cars purchased at automobile auctions by automobile dealerships in the United States of America. The origin of these data is a classification competition titled “Don't Get Kicked!” that ran on the ‘kaggle’ platform (https://www.kaggle.com) during 2011-2012. Many of the variables in this data frame have been derived from those in the original data set from https://www.kaggle.com.
Usage
1 |
Format
This data frame contains the following columns:
RefIdunique number assigned to each vehicles.
IsBadBuyindicator that the vehicle purchased at auction by an automobile dealership has serious problems that hinder or prevent it being sold - a "bad buy":
1 = the vehicle is a "bad buy"
0 = the vehicle is a "good buy".
All other indicator variables are defined in this way.purchIn2010indicator that vehicle was purchased in 2010.
aucEqAdesaindicator that the auction provider at which the vehicle was purchased was Adesa.
aucEqManheimindicator that the auction provider at which the vehicle was purchased was Manheim.
vehYearEq03indicator that the manufacturer's year of the vehicle is 2003.
vehYearEq04indicator that the manufacturer's year of the vehicle is 2004.
vehYearEq05indicator that the manufacturer's year of the vehicle is 2005.
vehYearEq06indicator that the manufacturer's year of the vehicle is 2006.
vehYearEq07indicator that the manufacturer's year of the vehicle is 2007.
ageAtSaleage of the vehicle in years when sold.
makeEqChevroletindicator that the vehicle's manufacturer is Chevrolet.
makeEqFordindicator that the vehicle's manufacturer is Ford.
makeEqDodgeindicator that the vehicle's manufacturer is Dodge.
makeEqChryslerindicator that the vehicle's manufacturer is Chrysler.
trimEqBasindicator that the trim level of the vehicle is 'Bas'.
trimEqLSindicator that the trim level of the vehicle is 'LS'.
trimEqSEindicator that the trim level of the vehicle is 'SE'.
subModelEq4DSEDANindicator that the submodel of the vehicle is '4DSedan'.
subModelEq4DSEDANLSindicator that the submodel of the vehicle is '4DSedanLS'.
subModelEq4DSEDANSEindicator that the submodel of the vehicle is '4DSedanSE'.
colourEqSilverindicator that the vehicle color is silver.
colourEqWhiteindicator that the vehicle color is white.
colourEqBlueindicator that the vehicle color is blue.
colourEqGreyindicator that the vehicle color is grey.
colourEqBlackindicator that the vehicle color is black.
colourEqRedindicator that the vehicle color is red.
colourEqGoldindicator that the vehicle color is gold.
colourEqOrangeindicator that the vehicle color is orange.
transEqManualindicator that the vehicle has manual transmission.
wheelEqAlloyindicator that the vehicle has alloy wheels.
wheelEqCoversindicator that the vehicle has covered wheels.
odomReadthe vehicle's odometer reading in miles.
AmericanMadeindicator that the vehicle was manufactured in the United States of America.
otherAsianMadeindicator that the vehicle was manuctured in an Asian nation other than Japan or South Korea.
sizeEqTruckindicator that the size category of the vehicle is 'truck'.
sizeEqMediumindicator that the size category of the vehicle is 'medium'.
sizeEqSUVindicator that the size category of the vehicle is 'SUV'.
sizeEqCompactindicator that the size category of the vehicle is 'compact'.
sizeEqVanindicator that the size category of the vehicle is 'van'.
priceacquisition price for this vehicle in average condition at time of purchase in U.S. dollars.
purchInTexasindicator that the vehicle was purchased in Texas.
purchInFloridaindicator that the vehicle was purchased in Florida.
purchInCaliforniaindicator that the vehicle was purchased in California.
purchInNorthCarolinaindicator that the vehicle was purchased in North Carolina.
purchInArizonaindicator that the vehicle was purchased in Arizona.
purchInColoradoindicator that the vehicle was purchased in Colorado.
purchInSouthCarolinaindicator that the vehicle was purchased in South Carolina.
costAtPurchacquisition cost paid for the vehicle at time of purchase.
onlineSaleindicator that the vehicle was purchased online.
warrantyCostwarranty cost in U.S. dollars.
Source
The “Don't Get Kicked” competition, https://www.kaggle.com.
Examples
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | library(HRW) ; data(carAuction)
## Not run:
for (colNum in 3:10)
{
plot(jitter(carAuction[,colNum]),jitter(carAuction$IsBadBuy),pch = ".",
xlab = names(carAuction)[colNum],ylab = "is car a bad buy?",col = "blue")
readline("Hit Enter to continue.\n")
}
for (colNum in 11:51)
{
plot(jitter(carAuction[,colNum]),jitter(carAuction$IsBadBuy),pch = ".",
xlab = names(carAuction)[colNum],ylab = "is car a bad buy?",col = "blue")
readline("Hit Enter to continue.\n")
}
## End(Not run)
|
Example output
Loading required package: KernSmooth
KernSmooth 2.23 loaded
Copyright M. P. Wand 1997-2009
Loading required package: splines
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
Hit Enter to continue.
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Hit Enter to continue.
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Hit Enter to continue.
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