see ?unique
Justin BEM
BP 1917 Yaoundé
Tél (237) 99597295
(237) 22040246
________________________________
De : "arnaud_mosn...@uqar.qc.ca" <arnaud_mosn...@uqar.qc.ca>
À : r-help@r-project.org
Envoyé le : Mardi, 10 Mars 2009, 17h15mn 57s
Objet : [R] (no subject)
Dear R users,
I have a table with the following form
STATION X Y
1 -70 30
1 -70 30
1 -70 30
2 -72 29
2 -72 29
2 -72 29
2 -72 29
How want to extract unique value for those columns ... I am sure it is
very[[elided Yahoo spam]]
I want to obtain something like
STATION X Y
1 -70 30
2 -72 29
Thanks !!!
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______________________________________________
R-help@r-project.org mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
