mosaic (version 0.8-3)

prop: Compute proportions, percents, or counts for a single level

Description

Compute proportions, percents, or counts for a single level

Usage

prop(x, data = parent.frame(), ..., level = NULL,
    long.names = TRUE, sep = ".", format = "proportion")
  count(x, data = parent.frame(), ..., format = "count")
  perc(x, data = parent.frame(), ..., format = "percent")

Arguments

x

an R object, usually a formula

data

a data frame in which x is to be evaluated

...

arguments passed through to tally

level

the level for which counts, proportions or percents are calculated

long.names

a logical indicating whether long names should be when there is a conditioning variable

sep

a character used to separate portions of long names

format

one of proportion, percent, or count, possibly abbrevaited

Examples

prop( ~sex, data=HELPrct)
prop( ~sex, data=HELPrct, level='male')
count( ~sex | substance, data=HELPrct)
prop( ~sex | substance, data=HELPrct)
perc( ~sex | substance, data=HELPrct)