purrr is a walk() in the park

Dasar-dasar Functional Programming dengan purrr

Auriel Fournier

Instructor

Why walk()?

short_list <- list(-10, 1, 10)
short_list
[[1]]
[1] -10

[[2]]
[1] 1

[[3]]
[1] 10
walk(short_list, print)
[1] -10
[1] 1
[1] 10
Dasar-dasar Functional Programming dengan purrr

Plots, the normal way

plist
[[1]]

[[2]]

Scatter plot printed with walk()

Bar plot printed with walk()

Dasar-dasar Functional Programming dengan purrr

walk() with plots

walk(plist, print)

Scatter plot printed with walk()

Bar plot printed with walk()

Dasar-dasar Functional Programming dengan purrr

Let's purrr-actice!

Dasar-dasar Functional Programming dengan purrr

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