Epi (version 2.50)

pctab: Create percentages in a table

Description

Computes percentages and a margin of totals along a given margin of a table.

Usage

pctab(TT, margin = length(dim(TT)), dec=1)

Value

A table of percentages, where all dimensions except the one specified margin

has two extra levels named "All" (where all entries are 100) and "N". The function prints the table with dec decimals.

Arguments

TT

A table or array object

margin

Which margin should be the the total?

dec

How many decimals should be printed? If 0 or FALSE nothing is printed

Author

Bendix Carstensen, Steno Diabetes Center, http://bendixcarstensen.com.

See Also

addmargins

Examples

Aye <- sample( c("Yes","Si","Oui"), 177, replace=TRUE )
Bee <- sample( c("Hum","Buzz"), 177, replace=TRUE )
Sea <- sample( c("White","Black","Red","Dead"), 177, replace=TRUE )
A <- table( Aye, Bee, Sea )
A
ftable( pctab( A ) )
ftable( pctab( addmargins( A, 1 ), 3 ) )
round( ftable( pctab( addmargins( A, 1 ), 3 ), row.vars=3 ), 1)