[19360] in s-news-athena
[S] (pas d'objet)
daemon@ATHENA.MIT.EDU (Marion VERDOIT)
Thu Sep 30 11:42:26 1999
Message-Id: <37F3834B.C48E1313@ifremer.fr>
Date: Thu, 30 Sep 1999 17:35:39 +0200
From: Marion VERDOIT <Marion.Verdoit@ifremer.fr>
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Hello,
I'm looking for a way to evit the use of for loops in this case, because
it is too long to evaluate :
j<-0
for (i in 1:800000)
{if (tableau[i,3]==50) {j<-j+1}
}
Thank you for your response
--
Marion Verdoit
Laboratoire MAERHA
IFREMER BP 21105
44311 Nantes Cedex 03
FRANCE
E-mail : mverdoit@ifremer.fr
Tel : 02 40 37 41 64
Fax : 02 40 37 40 75
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