Builds a function to calculate cross-tabulated frequencies
freq(proportion = c("column", "row", "none"), display = c("percentage",
"ratio"), digits = 3, missing = NULL)Whether to display proportions in brackets after the counts as either row-wise or column-wise, or not at all.
How to display the proportions if required.
The number of digits to specify proportion to.
Specifies covariates that shouldn't be included in calculating proportions for column-wise summaries.
A function that calculates the frequency of a cell in a contingency table.