If you want to call a function that returns multiple values on a column of a data.frame, and append these values as new columns to the data.frame, you can mutate(map()) |> unnest_wider(). If it's ...

Taking the following data: library(tidyverse) df <- data.frame(id = c("a", "a", "a", "b", "b", "b"), x = c(NA, "...

I was excited when I read about the latest update of purrr (1.1.0) with its in_parallel capabilities. I just happen to have a time-consuming data task that runs for several minutes, because: my data ...

I have a simple list like library(tidyverse) library(openxlsx) mtcars |> group_split(cyl) And now I want to save each list as an Excel file to the folder specified in cyl like so: mtcars |> ...

I want to remove passwords from several Excel files, so I specified a data frame with paths and passwords and then added some python code running with reticulate. When I pass that function to a for ...

I like to call a command line utility from R and parallelise the tool by calling several copies of it in different folders. Each call can have quite different runtimes, so I'd like to do this in an ...

I tried to use 'map' to filter a list of dataset. how can I extract the name of dataframe, which is 'YYY' in my code. library(dplyr) library(purrr) df1 <- data.frame(var1=seq(1:10), var2=seq(1:10),...

I have a deeply nested list that I am trying to extract into a simple df. Sample List df <- tibble::tribble( ~division, ~id, ...

I have this small function and want to apply it to a dataset using purrr::map(). It does what I expect it to do, but after the output it also prints a list of NULL, which I don't want. I would like to ...

I'm working with the Jira Native API to bring in dashboard data to R for rectangularizing. The max results that can be returned each call is 100. I'm working with a small dashboard atm but am thinking ...

In the process of learning this part: vectorised functions The current version of purrr has deprecated the invoke_map function, what is the problem with this latter code? I am really confused. sim <...

I have an issue when working with httr2::last_response() and purrr::possibly() and I can't quite figure out how to resolve it, as other posts involving either httr2 or purrr::possibly doesn't really ...

I'm trying to select specific items in a list that are not in the top level, and everything I can think of doesn't work the way I would expect. Here is a dummy list where what I do NOT want is item &...

Based on this post for gglikert. There the group1 column had 2 levels and group2 has 3. Now if i implement it with 3 levels in group1 and 4 levels in group2 library(ggstats) library(dplyr) library(...

I have a bunch of dataframes that contain individual-level person data for complex survey weight adjusted survey data at a state level. Say one for each state: df_1, df_2, ..., df_50 I have a ...