Cars93.summary

0th

Percentile

A Summary of the Cars93 Data set

The Cars93.summary data frame has 6 rows and 4 columns created from information in the Cars93 data set in the Venables and Ripley MASS package. Each row corresponds to a different class of car (e.g. Compact, Large, etc.).

Keywords
datasets
Usage
Cars93.summary
Format

This data frame contains the following columns:

Min.passengers

minimum passenger capacity for each class of car

Max.passengers

maximum passenger capacity for each class of car

No.of.cars

number of cars in each class

abbrev

a factor with levels C Compact, L Large, M Mid-Size, Sm Small, Sp Sporty, V Van

References

MASS library

Aliases
  • Cars93.summary
Examples
# NOT RUN {
type <- Cars93.summary$abbrev
type <- Cars93.summary[,4]
type <- Cars93.summary[,"abbrev"]
type <- Cars93.summary[[4]] # Take the object that is stored
                            # in the fourth list element.
type
pause()

attach(Cars93.summary)
  # R can now access the columns of Cars93.summary directly
abbrev
detach("Cars93.summary")
pause()

#  To change the name of the \verb!abbrev! variable (the fourth column)
names(Cars93.summary)[4] <- "code"
pause()

#  To change all of the names, try
names(Cars93.summary) <- c("minpass","maxpass","number","code")

# }
Documentation reproduced from package DAAG, version 1.22, License: GPL-3

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