KH.changeColName: Change name of columns in a data set
In ks465/r-utils: A Collection of Wrappers for Frequently Used Codes

Description Usage Arguments Value See Also Examples

Change name of columns in a data set

1	KH.changeColName(DT, currentTitles, newTitles)

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

data.table. The same data object as input with name of columns changed.

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

{
set.seed(1000)
library(data.table)
d <- data.table(
group = sample(LETTERS[1:3], 10, replace = TRUE),
integer = rnorm(10, 5, 1),
decimal = rnorm(10, 5, 1)
)
colnames(d)
#[1] "group" "integer" "decimal"
d <- KH.changeColName(d, 'integer', 'zeroPrecision')
colnames(d)
#[1] "group" "zeroPrecision" "decimal"
d <- KH.changeColName(d, c('group', 'decimal'), c('newGroup', 'float'))
colnames(d)
#[1] "newGroup" "zeroPrecision" "float"
}