category is a utility package for categorical vectors. It extends R factor
s with extra properties, that can be used to
switch easily between codes and labels of categories.
Currently category
is not available from CRAN. The current development version can be installed using devtools
.
library(devtools) install_github("category", "edwindj")
library(category) gender.categories <- data.frame( label = c("male", "female") , code = c("M","F") ) gender <- categorical( c("male", "male", "female", "male") , cats=gender.categories ) print(gender)
gender
is a factor but has extra properties that can be used to recode or relabel this factor.
is.categorical(gender) is.factor(gender) categories(gender) relabel(gender, "code")
labels(gender) labels(gender, "code")
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