undefine: Delete variables

In multiplyr: Data Manipulation with Parallelism and Shared Memory Matrices

Description

In much the same way that define creates new columns, undefine will delete them

Usage

undefine(.self, ...)

unselect(.self, ...)

undefine_(.self, ..., .dots)

unselect_(.self, ..., .dots)

Arguments

.self	Data frame
...	Additional parameters
.dots	Workaround for non-standard evaluation

Value

Data frame

See Also

Other column manipulations: add_rownames, define, rename, select

Examples

dat <- Multiplyr (x=1:100, y=100:1)
dat %>% undefine (y)
dat %>% shutdown()

multiplyr documentation built on May 30, 2017, 12:09 a.m.