Dear All,
I have a problem in making a matrix from a data. I did a summary data from a
big data frame using (ddply), the resulting table is like that:
Site.No Plant.Name Cover.Percentage
1 XXX 15
1 YYY 20
2 XXX 18
2 YYY 21
3 XXX 14
3 YYY 26
I need to convert it to the following:
XXX YYY
1 15 20
2 18 21
3 14 26
I tried for the whole day yesterday but I can't solve it. Could you please
help me.
Thanks in advance for all of you,
Hamada
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