Ridit (version 1.1)

ict: Inverse CrossTabualtion

Description

Inverse CrossTabualtion

Usage

ict(crosstab)

Arguments

crosstab

Examples

##---- Should be DIRECTLY executable !! ----
##-- ==>  Define data, use random,
##--	or do  help(data=index)  for the standard data sets.

## The function is currently defined as
function (crosstab) 
{
    crosstab = as.matrix(crosstab)
    n1 = 1:nrow(crosstab)
    n2 = 1:ncol(crosstab)
    d1 = c()
    d2 = c()
    for (i in n1) for (j in n2) {
        count = crosstab[i, j]
        if (is.na(count)) 
            warning(paste("NA in row", i, ", column", j, "exist!"), 
                immediate. = TRUE)
        else if (count > 0) 
            for (k in 1:count) {
                d1 = c(d1, n1[i])
                d2 = c(d2, n2[j])
            }
    }
    d1 = factor(d1, labels = rownames(crosstab))
    d2 = factor(d2, labels = colnames(crosstab))
    list(d1 = d1, d2 = d2)
  }