using: using tag to evaluate call in a given environment

Description Usage Arguments Examples

Description

This is the tag counterpart of with and it comes with handy methods for [ and [[.

Usage

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using(.envir)

Arguments

.envir

environment, list or vector on which to restrict the call

Examples

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## Not run: 
using(iris)$ave(Sepal.Length,Species, FUN = mean)
vec <- c(1:2,a=2.5,3:4)
using(vec)[.>=a] # rather than ; vec[vec >= vec["a"]]
using(vec)[[.>=a]] # rather than ; vec >= vec["a"]

## End(Not run)

moodymudskipper/tags documentation built on June 25, 2019, 10:54 a.m.