Function reference

All functions

cast()

Cast data from long to wide format

collapseToString()

Collapse to string

filterNested()

Keep rows that match a nested condition

innerJoin() leftJoin() rightJoin() fullJoin() semiJoin() antiJoin()

Join operations

melt()

Melt data from wide to long format

mutateAll mutateAt mutateIf transmuteAt transmuteIf mutate mutateAll,DFrame,function-method mutateAt,DFrame,character,function-method mutateIf,DFrame,function,function-method transmuteAt,DFrame,character,function-method transmuteIf,DFrame,function,function-method

Mutate multiple columns

rbindToDataFrame()

Row bind elements 1:1 to a data frame

selectIf select selectIf,DFrame,function-method

Select multiple columns

splitByLevel()

Split by factor level

unlist2()

Flatten lists

unnest2()

Unnest a single list-column into expanded rows