crosstabs {s20x} | R Documentation |
Crosstabulation of two variables
Description
Produces a 2-way table of counts and the corresponding
chi-square test of independence or homogeneity.
Usage
crosstabs(formula, data)
Arguments
formula |
a symbolic description of the model to be fit: ~ fac1 + fac2; where fac1 and fac2 are vectors to be crosstabulated and treated
internally as factors. |
data |
an optional data frame containing the variables in the model. |
Value
An invisible list containing the following components:
row.props |
a matrix of row proportions, i.e. cell counts divided by row marginals. |
col.props |
a matrix of column proportions, i.e. cell counts divided by column marginals. |
Totals |
a matrix containing the cell counts and the marginal totals. |
Examples
##body image data:
data(body.df)
crosstabs(~ ethnicity + married, body.df)
[Package
s20x version 3.1-5
Index]