cu.summary: Automobile Data from 'Consumer Reports' 1990
In rpart: Recursive Partitioning and Regression Trees
cu.summary R Documentation
Automobile Data from 'Consumer Reports' 1990
Description
The cu.summary data frame has 117 rows and 5 columns,
giving data on makes of cars taken from the April, 1990 issue of
Consumer Reports.
Usage
cu.summary
Format
This data frame contains the following columns:
Price-
a numeric vector giving the list price in US dollars of a standard model
Country-
of origin, a factor with levels
‘Brazil’,
‘England’,
‘France’,
‘Germany’,
‘Japan’,
‘Japan/USA’,
‘Korea’,
‘Mexico’,
‘Sweden’ and
‘USA’
Reliability-
an ordered factor with levels
‘Much worse’ < ‘worse’ < ‘average’ < ‘better’ < ‘Much better’
Mileage-
fuel consumption miles per US gallon, as tested.
Type-
a factor with levels
Compact
Large
Medium
Small
Sporty
Van
Source
Consumer Reports, April, 1990, pp. 235–288 quoted in
John M. Chambers and Trevor J. Hastie eds. (1992)
Statistical Models in S, Wadsworth and Brooks/Cole,
Pacific Grove, CA, pp. 46–47.
See Also
car.test.frame,
car90
Examples
fit <- rpart(Price ~ Mileage + Type + Country, cu.summary)
par(xpd = TRUE)
plot(fit, compress = TRUE)
text(fit, use.n = TRUE)
rpart documentation built on May 29, 2024, 8:38 a.m.
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| cu.summary | R Documentation |
Automobile Data from 'Consumer Reports' 1990
Description
The cu.summary data frame has 117 rows and 5 columns,
giving data on makes of cars taken from the April, 1990 issue of
Consumer Reports.
Usage
cu.summary
Format
This data frame contains the following columns:
Price-
a numeric vector giving the list price in US dollars of a standard model
Country-
of origin, a factor with levels ‘Brazil’, ‘England’, ‘France’, ‘Germany’, ‘Japan’, ‘Japan/USA’, ‘Korea’, ‘Mexico’, ‘Sweden’ and ‘USA’
Reliability-
an ordered factor with levels ‘Much worse’ < ‘worse’ < ‘average’ < ‘better’ < ‘Much better’
Mileage-
fuel consumption miles per US gallon, as tested.
Type-
a factor with levels
CompactLargeMediumSmallSportyVan
Source
Consumer Reports, April, 1990, pp. 235–288 quoted in
John M. Chambers and Trevor J. Hastie eds. (1992) Statistical Models in S, Wadsworth and Brooks/Cole, Pacific Grove, CA, pp. 46–47.
See Also
car.test.frame,
car90
Examples
fit <- rpart(Price ~ Mileage + Type + Country, cu.summary)
par(xpd = TRUE)
plot(fit, compress = TRUE)
text(fit, use.n = TRUE)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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