Displaying 1 result from an estimated 1 matches for "platanoid".
Did you mean:
paranoid
2010 Nov 09
2
new column from column in another df
...'s ar factors):
species,phase
Populus tremula,1
Populus tremula,2
Populus tremula,3
Calluna vulgaris,1
Calluna vulgaris,2
Betula alba,1
Betula alba,2
Betula alba,3
Primula veris,1
Primula veris,2
and another df where each species only have one row:
species,growth_form
Populus tremula,tree
Acer platanoides,tree
Ribes rubrum,shrub
Calluna vulgaris,dwarf_shrub
Betula alba,tree
Primula veris,herb
...how can I create a new column in the first data frame where growth form
is picked up from the second data frame (also factors) and entered into all
rows for a species as follows:
species,phase,growth_form...