top_levels: Generate a frequency table of a factor grouped into top-n,...
In sfirke/janitor: Simple Tools for Examining and Cleaning Dirty Data

top_levels

R Documentation

Generate a frequency table of a factor grouped into top-n, bottom-n, and all other levels.

Description

Get a frequency table of a factor variable, grouped into categories by level.

Usage

top_levels(input_vec, n = 2, show_na = FALSE)

Arguments

`input_vec`	The factor variable to tabulate.
`n`	Number of levels to include in top and bottom groups
`show_na`	Should cases where the variable is `NA` be shown?

Value

A data.frame (actually a tbl_df) with the frequencies of the grouped, tabulated variable. Includes counts and percentages, and valid percentages (calculated omitting NA values, if present in the vector and show_na = TRUE.)