Flatten list and push list key to vector on second level

Question

I suppose this is simple, but I just can\'t seem to figure it out. I need to flatten the second level structure and push the list name/key to a vector on the same level as the

Answer 1

Edit: To get to the list format you indicate above in base R, use rbind to build the data frame, then unlist the necessary elements with lapply.

With your list above, you can use do.call to call rbind in base R:

example<-data.frame(ID = as.character(names(myList)), do.call("rbind", myList), row.names = NULL)
exAsList <-lapply(example, function(x) x <- unlist(x, use.names = FALSE))
exAsList