I apologize if this is a relatively easy problem, but have been stuck on
this issue for a few days. I am attempting to combine values from 2
separate dataframes. Each dataframe contains a shared identifier (GROUP).
Dataframe 1 (3272 rows x 3 columns) further divides this shared grouping
factor
Posting in HTML format doesn't work nearly as well as you think it does... Your
email is pretty mixed up. Please use plain text format and use dput to make
your data usable in R.
I expect the best answer to your problem is going to be to use the merge
function instead of your for loops.. but
frame1
ID GROUP PROP_AREA
1 1 A 0.33
2 2 A 0.33
3 3 A 0.33
4 4 B 0.50
5 5 B 0.50
6 6 C 1.00
7 7 D 1.00
frame2
GROUP VALUE1 VALUE2
1 A 10 5
2 B 20 10
3 C 30 15
4 D 40 20
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