Frequency table for data frames, e.g. across multiple columns

Replaces the somehow buggy function combination table(unlist(data)).

Usage

tableUnlist(dataFrame, useNA = c("no", "ifany",
    "always"))

Arguments

dataFrame

Data frame with more than one column.

useNA

whether to include NA values in the table. See help file of table for more details.

Value

A frequency table

Examples

dat  <- data.frame ( matrix ( data = sample(0:1,200,replace=TRUE), nrow=20, ncol=10))
tableUnlist(dat)
#> vek
#>   0   1 
#> 107  93