{forcats}

reorder factor levels in the order that they first appear

{base}

view and change factor levels

{base}

return vector with duplicate elements removed

{forcats}

change factor levels by hand

{forcats}

reverse order of factor levels

{readr}

parse a character vector to factors

{base}

encode vector as factor

{forcats}

lump together factor levels into â€˜otherâ€™

{forcats}

reorder factor levels in the order of most to least frequent

{forcats}

collapse factors into manually defined groups

{forcats}

reorder factor levels by hand

{forcats}

reorder factor levels by sorting along another variable

{forcats}

reorder factor levels by sorting along another variable with two dimensions

The end!