KH.dropColsByName: Drop column or columns from a data.table by using the names.

In ks465/r-utils: A Collection of Wrappers for Frequently Used Codes

Description

Drop column or columns from a data.table by using the names.

Usage

KH.dropColsByName(DT, currentTitles)

Arguments

DT	data.table Two dimension data object which colnames(x) is meaningful.
currentTitles	character. Vector of current column names.

Value

data.table. The same object as input with columns removed.

See Also

Other DataSets: KH.changeColName, KH.loadCSV, KH.loadXlsx

Examples

set.seed(1000)
library(data.table)
d <- data.table(
group = sample(LETTERS[1:3], 10, replace = TRUE),
integer = rnorm(10, 5, 1),
integer1 = rnorm(10, 5, 1),
integer2 = rnorm(10, 5, 1),
decimal = rnorm(10, 5, 1)
)
colnames(d)
#[1] "group" "integer" "integer1" "integer2" "decimal"
d <- KH.dropColsByName(d, 'integer')
colnames(d)
#[1] "group" "integer1" "integer2" "decimal"

d <- KH.dropColsByName(d, c('integer1', 'integer2'))
colnames(d)
#[1] "group" "decimal"

ks465/r-utils documentation built on May 23, 2019, 5:07 p.m.