Hmisc (version 2.0-0)

reorder.factor: Reorder Factor Levels

Description

Reorders the levels of a factor variable by the values or the summarized values of another variable

Usage

reorder.factor(x, v, FUN = mean, ...)

Arguments

x

a factor variable

v

a numeric variable the same length as x

FUN

a statistical summarization function applied to v by levels of x

...

other arguments passed to FUN

Value

• a new factor vector

See Also

factor

Examples

x <- factor(c('a','b','b','c'))
v <- c(3,-1,1,-5)
w <- reorder.factor(x, v)  # uses FUN=mean
w
levels(w)
class(w)