All functions
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as_factor()
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Convert input to a factor. |
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fct_anon()
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Anonymise factor levels |
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fct_c()
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Concatenate factors, combining levels |
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fct_collapse()
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Collapse factor levels into manually defined groups |
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fct_count()
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Count entries in a factor |
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fct_cross()
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Combine levels from two or more factors to create a new factor |
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fct_drop()
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Drop unused levels |
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fct_expand()
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Add additional levels to a factor |
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fct_explicit_na()
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Make missing values explicit |
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fct_inorder() fct_infreq() fct_inseq()
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Reorder factors levels by first appearance, frequency, or numeric order. |
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fct_lump() fct_lump_min()
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Lump together least/most common factor levels into "other" |
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fct_match()
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Test for presence of levels in a factor |
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fct_other()
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Replace levels with "other" |
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fct_recode()
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Change factor levels by hand |
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fct_relabel()
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Automatically relabel factor levels, collapse as necessary |
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fct_relevel()
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Reorder factor levels by hand |
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fct_reorder() fct_reorder2() last2()
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Reorder factor levels by sorting along another variable |
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fct_rev()
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Reverse order of factor levels |
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fct_shift()
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Shift factor levels to left or right, wrapping around at end |
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fct_shuffle()
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Randomly permute factor levels |
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fct_unify()
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Unify the levels in a list of factors |
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fct_unique()
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Unique values of a factor |
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gss_cat
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A sample of categorical variables from the General Social survey |
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lvls_reorder() lvls_revalue() lvls_expand()
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Low-level functions for manipulating levels |
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lvls_union()
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Find all levels in a list of factors |