ch.summariseBy: A function to summarize a dataframe one grouping variable

In ccpluncw/ccpl_R_chutils:

A function to summarize a dataframe one grouping variable

Description

This function summarizes a dataframe by one grouping variable. It is easier to call than ddply within a function.

Usage

ch.summariseBy(data, grpCol, dvCol, newCol, FUN)

Arguments

data	a dataframe.
grpCol	a string specifying the name of the column in the dataframe containing the grouping variable.
dvCol	a string specifying the name of the column in the dataframe containing the variable you want to summarize.
newCol	a string specifying the name of the new column to be created that contains the summarized data.
FUN	the summarizing function (e.g., mean).

Value

a dataframe

Examples

ch.summariseBy (df, "sn", "RT", mean)

ccpluncw/ccpl_R_chutils documentation built on Nov. 22, 2024, 5:18 a.m.