transmute: Change variables and drop all others

In multiplyr: Data Manipulation with Parallelism and Shared Memory Matrices

Description

This function works like a combination of mutate and select: it may be used to modify values in a data frame, and then drops any column not explicitly specified

Usage

transmute(.self, ...)

transmute_(.self, ..., .dots)

Arguments

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

Value

Data frame

See Also

Other data manipulations: mutate, nsa, reduce, summarise, within_group, within_node

Examples

dat <- Multiplyr (x=1:100, y=100:1)
dat %>% mutate (x=x*2)
dat %>% shutdown()

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