keepColsDT: keepColsDT()
In jakesherman/jakemisc: A set of misc. functions from Jake Sherman.
Description
Usage
Arguments
Examples
Description
Deletes all of the columns in a data.table by reference except for the
columns that you specify to keep.
Usage
1
keepColsDT(data = NULL, keepCols = NULL, verbose = TRUE)
Arguments
data
a data.table
keepCols
a character vector of column names NOT to delete
verbose
TRUE by default, if FALSE it turns off the messages that
appear after each column is deleted by reference.
Examples
1
2
3
columnsToKeep <- c("mpg", "cyl", "disp")
mtcars <- data.table(mtcars)
keepColsDT(mtcars, columnsToKeep)
jakesherman/jakemisc documentation built on May 18, 2019, 9:08 a.m.
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Description Usage Arguments Examples
Description
Deletes all of the columns in a data.table by reference except for the columns that you specify to keep.
Usage
1 | keepColsDT(data = NULL, keepCols = NULL, verbose = TRUE)
|
Arguments
data |
a data.table |
keepCols |
a character vector of column names NOT to delete |
verbose |
TRUE by default, if FALSE it turns off the messages that appear after each column is deleted by reference. |
Examples
1 2 3 | columnsToKeep <- c("mpg", "cyl", "disp")
mtcars <- data.table(mtcars)
keepColsDT(mtcars, columnsToKeep)
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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