Displaying 1 result from an estimated 1 matches for "squarrosus".
2006 Dec 30
3
getting a new factor
...)
genus species trophia type geo zone importance
1 Sphagnum subsecundum M A En 100
2 Sphagnum denticulatum M A En 200
3 Molinia caerulea M A En 300
4 Sphagnum flexuosum M A En 400
5 Juncus squarrosus M A En 500
6 Carex echinata M A En 600
I do need a new one with a new factor constructed from a concatenation of the two first columns, genus and species. I am guessing this must be a simple matter while working with R, but I am stuck at this poin...