lump: Generic lumping

In tidytidbits: A Collection of Tools and Helpers Extending the Tidyverse

Generic lumping

Description

Takes levels (labels, factor levels) and corresponding counts and "lumps" according to specified criteria (either n or prop), i.e. preserves some rows and summarises the rest in a single "Other" row

Usage

lump(
  levels,
  count,
  n,
  prop,
  other_level = "Other",
  ties.method = c("min", "average", "first", "last", "random", "max")
)

Arguments

levels	Vector of levels
count	Vector of corresponding counts
n	If specified, n rows shall be preserved.
prop	If specified, rows shall be preserved if their count >= prop
other_level	Name of the "other" level to be created from lumped rows
ties.method	Method to apply in case of ties

Value

A dictionary (named vector) of levels -> new levels

tidytidbits documentation built on March 18, 2022, 6:10 p.m.