summarise: Summarise formula on groups

In pv71u98h1/m61r: Package About Data Manipulation in Pure Base R

Summarise formula on groups

Description

Summarise of formulas on a data.frame.

Usage

summarise_(df, group = NULL, ...)

Arguments

df	data.frame
group	formula that describes the group
...	formulas to be generated

Value

summarise_() returns a data frame. If argument group is not NULL, output get its first columns called according to the names present in argument group. The following columns are called according to the name of each argument present in .... Each row corresponds to processed expressions determined in ... for each group determined in group, or over the whole data frame if group is NULL.

Examples

  summarise_(CO2,a=~mean(uptake),b=~sd(uptake))

  summarise_(CO2, group=~c(Type,Treatment),a=~mean(uptake),b=~sd(uptake))

pv71u98h1/m61r documentation built on Oct. 20, 2024, 6:29 p.m.