R: Row percentages of a two-way frequency table.

rprop {questionr} | R Documentation

## Row percentages of a two-way frequency table.

### Description

Return the row percentages of a two-way frequency table with formatting and printing options.

### Usage

    rprop(tab, ...)

    ## S3 method for class 'table'
    rprop(tab, digits = 1, total = TRUE, percent = FALSE,
      drop = TRUE, n = FALSE, ...)

    ## S3 method for class 'data.frame'
    rprop(tab, digits = 1, total = TRUE, percent = FALSE,
      drop = TRUE, n = FALSE, ...)

    ## S3 method for class 'matrix'
    rprop(tab, digits = 1, total = TRUE, percent = FALSE,
      drop = TRUE, n = FALSE, ...)

    ## S3 method for class 'tabyl'
    rprop(tab, digits = 1, total = TRUE, percent = FALSE,
      n = FALSE, ...)

### Arguments

`tab` | frequency table
`...` | parameters passed to other methods.
`digits` | number of digits to display
`total` | if `TRUE`, add a column with the sum of percentages and a row with global percentages
`percent` | if `TRUE`, add a percent sign after the values when printing
`drop` | if `TRUE`, lines or columns with a sum of zero, which would generate `NaN` percentages, are dropped.
`n` | if `TRUE`, display number of observations per row.

### Value

The result is an object of class `table` and `proptab`.

### See Also

`cprop`, `prop`, `table`, `prop.table`

### Examples

    ## Sample table
    data(Titanic)
    tab <- apply(Titanic, c(1,4), sum)
    ## Column percentages
    rprop(tab)
    ## Column percentages with custom display
    rprop(tab, digits=2, percent=TRUE, total=FALSE)

[Package questionr version 0.6.3 Index]