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tp3549114p3549114
2011 May 25
1
Print the content of several columns in only one
Hi,
I?m an R beginner and I'd really appreciate an hand?
I'd like to create a new column in a dataframe in wich will be print the
content of several other columns.
For instance :
I?ve got 2 columns : "site" ? "sampling number" and I would like to create a
third column "ID", in wich will appear both the site name and the sampling
number, like :