How to use lapply and paste on multiple dataframes in a list

Question

I can\'t combine the use of lapply and paste to combine two columns for multiple dataframes contained within a list. I\'ve looked through multiple sources, but can\'t find the a

Answer 1

I think this is what you're going for:

lapply(mylist, function(x) paste(x$Artist, x$Song, sep=" "))

We just need to define the little anonymous function to concatenate the columns.

[[1]]
[1] "Drake Gods Plan"        "Ed Sheeran Perfect"     "Bruno Mars Finesse"    
[4] "Camilla Cabello Havana" "BlocBoy Look Alive"    

[[2]]
[1] "Gucci Mane Black Beatles" "Migos Bad and Boujee"    
[3] "Daft Punk Starboy"        "Chainsmokers Closer" 

Answer 2

A solution using purrr::map from the tidyverse

library(tidyverse)

map(list(Current, Past), ~ paste(.$Artist, .$Song))

[[1]]
[1] "Drake Gods Plan"        "Ed Sheeran Perfect"     "Bruno Mars Finesse"    
[4] "Camilla Cabello Havana" "BlocBoy Look Alive"    

[[2]]
[1] "Gucci Mane Black Beatles" "Migos Bad and Boujee"     "Daft Punk Starboy"       
[4] "Chainsmokers Closer"