crosstab4: Function 4 to calculate crosstabs
Description
Function 4 to calculate crosstabs
Usage
crosstab4(data, var1, var2)
Arguments
data
A matrix to collapse by two dimensions var1 var2
var1
a data.frame containing a single variable
var2
a data.frame containing a single variable
Value
A collapsed matrix of dimension length(unique(var1)) x length(unique(var2)). If...