Crosstabs
Functions to display (2 x 2) contingency table
cross(x, ...)
x |
Object of type |
... |
Arguments passed to |
The xtab functions corrects the inability to deal with missing
values in the original xtabs that comes with R base.
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.
Charles-Édouard Giguère
require(CUFF)
### example of crosstabs
cr1 <- cross( ~ N + P, npk)
print(cr1, test = c("chisq.test", "fisher.test"))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.