Tools for Working with Categorical Variables (Factors)

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Documentation for package ‘forcats’ version 1.0.0

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

as_factor	Convert input to a factor
as_factor.character	Convert input to a factor
as_factor.factor	Convert input to a factor
as_factor.logical	Convert input to a factor
as_factor.numeric	Convert input to a factor
fct	Create a factor
fct_anon	Anonymise factor levels
fct_c	Concatenate factors, combining levels
fct_collapse	Collapse factor levels into manually defined groups
fct_count	Count entries in a factor
fct_cross	Combine levels from two or more factors to create a new factor
fct_drop	Drop unused levels
fct_expand	Add additional levels to a factor
fct_infreq	Reorder factor levels by first appearance, frequency, or numeric order
fct_inorder	Reorder factor levels by first appearance, frequency, or numeric order
fct_inseq	Reorder factor levels by first appearance, frequency, or numeric order
fct_lump	Lump uncommon factor together levels into "other"
fct_lump_lowfreq	Lump uncommon factor together levels into "other"
fct_lump_min	Lump uncommon factor together levels into "other"
fct_lump_n	Lump uncommon factor together levels into "other"
fct_lump_prop	Lump uncommon factor together levels into "other"
fct_match	Test for presence of levels in a factor
fct_na_level_to_value	Convert between 'NA' values and 'NA' levels
fct_na_value_to_level	Convert between 'NA' values and 'NA' levels
fct_other	Manually replace levels with "other"
fct_recode	Change factor levels by hand
fct_relabel	Relabel factor levels with a function, collapsing as necessary
fct_relevel	Reorder factor levels by hand
fct_reorder	Reorder factor levels by sorting along another variable
fct_reorder2	Reorder factor levels by sorting along another variable
fct_rev	Reverse order of factor levels
fct_shift	Shift factor levels to left or right, wrapping around at end
fct_shuffle	Randomly permute factor levels
fct_unify	Unify the levels in a list of factors
fct_unique	Unique values of a factor, as a factor
first2	Reorder factor levels by sorting along another variable
gss_cat	A sample of categorical variables from the General Social survey
last2	Reorder factor levels by sorting along another variable
lvls	Low-level functions for manipulating levels
lvls_expand	Low-level functions for manipulating levels
lvls_reorder	Low-level functions for manipulating levels
lvls_revalue	Low-level functions for manipulating levels
lvls_union	Find all levels in a list of factors