# Tools for Working with Categorical Variables (Factors)

## Documentation for package ‘forcats’ version 0.3.0

- DESCRIPTION file.

## 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.
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_drop | Drop unused levels
fct_expand | Add additional levels to a factor
fct_explicit_na | Make missing values explicit
fct_infreq | Reorder factors levels by first appearance or frequency
fct_inorder | Reorder factors levels by first appearance or frequency
fct_lump | Lump together least/most common factor levels into "other"
fct_other | Replace levels with "other"
fct_recode | Change factor levels by hand
fct_relabel | Automatically relabel factor levels, collapse 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
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