ropensci/neotoma — pull request #48 by SimonGoring (2013-09-02 03:19:53+00:00)
Title: Both pollen objects and matrices/data.frames work now. Fixed help & clea...

...ned code.

Added an error check as well to make sure the `object` field is a `matrix`, `data.frame` or a pollen object as returned by `get_download`.