r: Extract variable column indices

In dustinfife/fifer: A Biostatisticians Toolbox for Various Activities, Including Plotting, Data Cleanup, and Data Analysis

Description

Given a starting string and an ending string, r will extract all columns between the first and the last string and return either a vector of strings or a vector of integers. See examples.

Usage

r(stringA, stringB, data.names, names = F)

Arguments

stringA	the name of the first variable you wish to extract the column for in sequence
stringB	the name of the last variable you wish to extract the column for in sequence
data.names	the names of the dataset
names	Should the names of the variables be returned? Or the column indices? Defaults to FALSE (meaning the column indices will be returned).

Value

a vector of numbers corresponding to the column names

Author(s)

Dustin Fife

See Also

make.null, get.cols

Examples

var.names = LETTERS[1:20]
r("C", "F", var.names)

dustinfife/fifer documentation built on Oct. 31, 2020, 3:36 p.m.