* John Hendy <jw.he...@gmail.com> wrote: > > So, you need to pass a list of /vectors/, not a data.frame. Here's > what's going on:
[...] > So... folders is a data.frame with one numeric vector, V1. Same for > tags. For mfolder and mtags, you created a vector, not a data.frame. > > Try this to pass the vectors from each data.frame: [...] Great explanation, I understand what I did wrong, and it works now. Thank you very much! -- Karl Voit