disk.frame (version 0.1.0)

select.disk.frame: The dplyr verbs implemented for disk.frame

Description

Please see the dplyr document for their usage. Please note that `group_by` and `arrange` performs the actions within each chunk

Usage

# S3 method for disk.frame
select(.data, ...)
# S3 method for disk.frame
rename(.data, ...)
# S3 method for disk.frame
filter(.data, ...)
filter_all.disk.frame(.data, ...)
filter_if.disk.frame(.data, ...)
filter_at.disk.frame(.data, ...)
# S3 method for disk.frame
mutate(.data, ...)
# S3 method for disk.frame
transmute(.data, ...)
# S3 method for disk.frame
arrange(.data, ...)
# S3 method for disk.frame
summarise(.data, ...)
tally.disk.frame(.data, ...)
tally.disk.frame(.data, ...)
count.disk.frame(.data, ...)
add_count.disk.frame(.data, ...)
add_tally.disk.frame(.data, ...)
# S3 method for disk.frame
summarize(.data, ...)
# S3 method for disk.frame
do(.data, ...)
group_by_all.disk.frame(.data, ...)
group_by_at.disk.frame(.data, ...)
group_by_if.disk.frame(.data, ...)
mutate_all.disk.frame(.data, ...)
mutate_at.disk.frame(.data, ...)
mutate_if.disk.frame(.data, ...)
rename_all.disk.frame(.data, ...)
rename_at.disk.frame(.data, ...)
rename_if.disk.frame(.data, ...)
select_all.disk.frame(.data, ...)
select_at.disk.frame(.data, ...)
select_if.disk.frame(.data, ...)
summarise_all.disk.frame(.data, ...)
summarise_at.disk.frame(.data, ...)
# S3 method for disk.frame
summarize(.data, ...)
summarize_all.disk.frame(.data, ...)
summarize_at.disk.frame(.data, ...)
summarize_if.disk.frame(.data, ...)
# S3 method for disk.frame
glimpse(.data, ...)

Arguments

.data

a disk.frame

...

Same as the dplyr functions

Examples

# NOT RUN {
library(dplyr)
library(magrittr)
cars.df = as.disk.frame(cars)
mult = 2

# use all any of the supported dplyr
cars2 = cars.df %>% 
  select(speed) %>% 
  mutate(speed2 = speed * mult) %>% 
  filter(speed < 50) %>% 
  rename(speed1 = speed) %>% 
  collect

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