magrittr (version 1.0.0)

extract: Aliases

Description

magrittr provides a series of aliases which can be more pleasant to use when composing chains using the %>% operator.

Details

Currently implemented aliases are ll{ extract `[` extract2 `[[` use_series `$` add `+` subtract `-` myltiply_by `*` raise_to_power `^` multiply_by_matrix `%*%` divide_by `/` divide_by_int `%/%` mod `%%` and `&` or `|` equals `==` is_greater_than `>` is_weakly_greater_than `>=` is_less_than `<`< code=""> is_weakly_less_than `<=`< code=""> }

Examples

iris %>%
   extract(, 1:4) %>%
   head

good.times <-
  Sys.Date() %>%
  as.POSIXct %>%
  seq(by = "15 mins", length.out = 100) %>%
  data.frame(timestamp = .)

good.times$quarter <-
  good.times %>%
  use_series(timestamp) %>%
  format("%M") %>%
  as.numeric %>%
  divide_by_int(15) %>%
  add(1)