| grouped_df {dplyr} | R Documentation |
The easiest way to create a grouped data frame is to call the group_by()
method on a data frame or tbl: this will take care of capturing
the unevaluated expressions for you.
grouped_df(data, vars, drop = TRUE) is.grouped_df(x) is_grouped_df(x)
data |
a tbl or data frame. |
vars |
a character vector or a list of |
drop |
if |