cumddply: Cumulative ddply

In johnmyleswhite/cumplyr: Extends ddply to allow calculation of cumulative quantities.

Description

Cumulative ddply

Usage

cumddply(data, equality.variables, inequality.variables, func)

Arguments

data	Data to process
equality.variables	Character vector variables used to split data on equality
inequality.variables	Character vector variables used to split data on inequality
func	Function to call on each split of the data

Value

Data frame with cumulative results combined across splits

Examples

library('cumplyr')

data(rt.data)

results <- cumddply(rt.data,
                    c('Subject', 'Block'),
                    c('Trial'),
                    function (df) {with(df, mean(RT))})

print(results)

johnmyleswhite/cumplyr documentation built on May 19, 2019, 5:17 p.m.