dplyr (version 0.1.1)

groups: Get/set the grouping variables for tbl.

Description

These functions do not perform non-standard evaluation, and so are useful when programming against tbl objects. ungroup is a convenient inline way of removing existing grouping.

Usage

groups(x)
regroup(x, value)
ungroup(x)

Arguments

x

data tbl

value

a list of symbols

See Also

group_by for a version that does non-standard evaluation to save typing

Examples

grouped <- group_by(mtcars, cyl)
groups(grouped)
grouped <- regroup(grouped, list(quote(vs)))
groups(grouped)
groups(ungroup(grouped))