Suppose we have a function that returns a named df/list with more than one variable output. Question: How can run that function against a df and create more than one new variable at a time, and what is the most natural way with dplyr/ purrr? library(dplyr) #> #> Attaching package: 'dplyr' #> The …

I would say, that common way to do it is map->unnest combo. It is how you would use it in, for example, broom. suppressPackageStartupMessages(library(tidyverse)) toy_fun <- function(chr) { data.frame(let_rank = which(letters == chr), rando = rnorm(n = length(chr))) } df <- data.fra…

mutate using fn that returns a df or list

tidyverse

jcblum November 22, 2018, 9:31pm 3

These links from a couple of related discussions might be of interest (expand the box to see the links in the first one):

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