disk.frame (version 0.3.7)

compute.disk.frame: Compute without writing

Description

Perform the computation; same as calling cmap without .f and lazy = FALSE

Usage

# S3 method for disk.frame
compute(
  x,
  name,
  outdir = tempfile("tmp_df_", fileext = ".df"),
  overwrite = TRUE,
  ...
)

Arguments

x

a disk.frame

name

Not used. Kept for compatibility with dplyr

outdir

the output directory

overwrite

whether to overwrite or not

...

Not used. Kept for dplyr compatibility

Examples

# NOT RUN {
cars.df = as.disk.frame(cars)
cars.df2 = cars.df %>% cmap(~.x)
# the computation is performed and the data is now stored elsewhere
cars.df3 = compute(cars.df2)

# clean up
delete(cars.df)
delete(cars.df3)
# }