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capply

A Fast Simplified Version of tapply


Description

a fast simplified version of tapply

Usage

capply(x, index, fcn=sum)

Arguments

x

x

index

index

fcn

default sum

Details

a fast simplified version of tapply

Value

Returns ans where for(i in split(x,index))ans <- c(ans,fcn(i)).


rmutil

Utilities for Nonlinear Regression and Repeated Measurements Models

v1.1.5
GPL-2
Authors
Bruce Swihart [cre, aut], Jim Lindsey [aut] (Jim created this package, Bruce is maintaining the CRAN version)
Initial release

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