mosaic (version 0.5-1)

tally: Tabulate categorical data

Description

Tabulate categorical data

Usage

tally(x, ...)
  ## S3 method for class 'ANY':
tally(x, ...)
  ## S3 method for class 'formula':
tally( x, data=parent.frame(),
    format=c('default','count','proportion','percent'),
    margins=TRUE, quiet=TRUE, subset, ...)

Arguments

x

an object

formula

a formula describing the type of table desired

data

a data frame or environment in which evaluation occurs

format

a character string describing the desired format of the results. One of 'default', 'count', 'proportion', or 'percent'. In case of 'default', counts are used unless there is a condi

subset

an expression evaluating to a logical vector used to select a subset of data

quiet

a logical indicating whether messages about order in which marginal distributions are calculated should be surpressed. See addmargins.

margins

a logical indicating whether marginal distributions should be displayed.

...

additional arguments

Examples

tally( ~ substance, HELPrct)
tally( ~ substance & sex , HELPrct)
tally( sex ~ substance, HELPrct)   # equivalent to tally( ~ sex | substance, ... )
tally( ~ substance | sex , HELPrct)
tally( ~ substance | sex , HELPrct, format='count')
tally( ~ substance & sex , HELPrct, format='percent')