CUFF (version 1.9)

cross: Crosstabs

Description

Functions to display (2 x 2) contingency table

Usage

cross(x, ...)

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.

Arguments

x

Object of type table or formula, vector to tabulate

...

Arguments passed to table of xtabs

Author

Charles-Édouard Giguère

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"))