colsToNumeric: Converts selected columns to numeric

In Braja93/braja: General data manipulation functions

Description

Removes all punctuation, except "-" and ".", and converts to numeric. Also divides character with "

Usage

colsToNumeric(x, colsToTransform, overwrite = FALSE)

Arguments

x	data.table.
colsToTransform	Character. Vector of character columns to convert.
overwrite	Logical. Default = FALSE, and just returns the transformed columns. TRUE = overwrites the original columns.

Examples

mtcars.fudged <- data.table(mtcars)
mtcars.fudged[, `:=`(mpg = paste0(mpg, "%"),
                     qsec = gsub("\\.", ",", qsec),
                     drat = paste0("-", drat))]

colsToTransform <- names(Filter(is.character, mtcars.fudged))

colsToNumeric(mtcars.fudged, colsToTransform)

str(mtcars.fudged)

colsToNumeric(mtcars.fudged, colsToTransform, overwrite = TRUE)

str(mtcars.fudged)

Braja93/braja documentation built on May 6, 2019, 12:07 a.m.