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The base R |> pipe lacks some advanced functionality
compared to the {magrittr} %>% pipe. Most
notably, the piped object can only appear once on the right-hand side of
the pipe (either as the first unnamed argument or elsewhere using the
_ placeholder) and cannot be used with some in-line
functions (e.g., +).
The |> pipe had additional limitations in earlier
versions of R (e.g., the _ placeholder was not available
before R 4.2.0; the _ placeholder could not appear on the
left side of sub-setting functions like $, [,
[[, or @ before R 4.3.0).
This package provides a bind() function as a way to
conveniently circumvent these limitations. Pipe an object into
bind(), choose a placeholder symbol to represent it, then
use this placeholder to refer the piped object in any way and as many
times as desired in an R expression.
The package also provides aliases for in-line functions like
+ and %in% to facilitate their use with the
|> pipe.
You can install {pipebind} from CRAN:
install.packages("pipebind")You can install the development version of {pipebind}
like so:
remotes::install_github("bwiernik/pipebind")library(pipebind)
set.seed(2016)
# Piping to a non-first argument
mtcars |>
transform(kmL = mpg / 2.35) |>
bind(d, lm(kmL ~ hp, data = d))
#>
#> Call:
#> lm(formula = kmL ~ hp, data = d)
#>
#> Coefficients:
#> (Intercept) hp
#> 12.80803 -0.02903
# Using the piped value multiple times
rnorm(10) |>
bind(x, x - mean(x))
#> [1] -0.55014875 1.36584095 0.30817018 0.66123825 -2.42687776 0.08185269
#> [7] -0.39891573 -0.32041684 0.73166705 0.54758995
# Using the piped value in multiple arguments
c(a = 1, b = 2, c = 3) |>
bind(x, paste(names(x), x, sep = " = "))
#> [1] "a = 1" "b = 2" "c = 3"
# Subsetting the piped value
mtcars |>
bind(d, d$mpg)
#> [1] 21.0 21.0 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 17.8 16.4 17.3 15.2 10.4
#> [16] 10.4 14.7 32.4 30.4 33.9 21.5 15.5 15.2 13.3 19.2 27.3 26.0 30.4 15.8 19.7
#> [31] 15.0 21.4Please note that the pipebind project is released with a Contributor Code of Conduct. By contributing to this project, you agree to abide by its terms.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.