Displaying 1 result from an estimated 1 matches for "tp4295626p4297417".
2012 Jan 14
3
add column with values found in another data frame
I am positive this problem has a very simple solution, but I have been
unable to find it, so I am asking for your help. I need to know how to look
something up in one data frame and add it as a column in another. If I have
a data frame that looks like this:
> frame1
ID score test age
1 Guy1 10 1 20
2 Guy1 13 2 20
3 Guy2 9 1 33
4 Guy2 11 2 33
and another frame that looks like this: