factor.data.frame: (Re-) Factorise factor and character columns in data frame

In michaja/quitte: Bits and pieces of code to use with quitte-style data frames

Description

factor.data.frame() turns character columns in a data frame into factor columns and refactorises factor columns, silently dropping unused levels.

Usage

factor.data.frame(df)

Arguments

df	a data frame

Value

a data frame

Author(s)

Michaja Pehl

Examples

df <- data.frame(
    character = letters[1:5],
    factor = as.factor(LETTERS[1:5]),
    value = 1:5,
    stringsAsFactors = FALSE)
df <- df[1:3,]
str(df)
str(factor.data.frame(df))

michaja/quitte documentation built on May 22, 2019, 9:53 p.m.