CUFF (version 1.0)

cross: Crosstabs

Description

Functions to display (2 x 2) contingency table

Usage

cross(x, ...)

Arguments

x

Object of type table or formula, vector to tabulate

...

Arguments passed to table of xtabs

Value

• The cross methods returns an object of type cross with the original table and the marginal percentages by row and by column. A print methods is associated with a cross object. xtab returns an object of type table (see details). Total returns a sum with na.rm=TRUE by default and replaces NA with 0.

encoding

utf-8

Details

The xtab functions corrects the inability to deal with missing values in the original xtabs that comes with R base.

Examples

require(CUFF)
### example of crosstabs
cr1 <- cross( ~ N + P, npk)
print(cr1, test = c("chisq.test", "fisher.test"))