[R] copy the columns based on the code
ricardosousa2000 at clix.pt
Tue Mar 27 18:15:14 CEST 2012
this code, works perfectly
temp <- merge(travel, city, by.x="Source", by.y="cod")
result <- merge(temp, city, by.x="Destine", by.y="cod")
The problem was the construction of the data frame, had a parenthesis in
I tried to delete the post, but i don't could.
As I have little experience in R, I still do some mistakes.
I use read.table to load the data frame, the way in the post, it was quickly
that i found to describe the problem.
The forum has been a great help for me.
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