try this: seq(along = txt)[-i]
Best, Dimitris ---- Dimitris Rizopoulos Ph.D. Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/16/336899 Fax: +32/16/337015 Web: http://www.med.kuleuven.be/biostat/ http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm ----- Original Message ----- From: "Marcus Leinweber" <[EMAIL PROTECTED]> To: <r-help@stat.math.ethz.ch> Sent: Thursday, June 23, 2005 2:59 PM Subject: [R] grep negation > hi, > > using the example in the grep help: > txt <- c("arm","foot","lefroo", "bafoobar") > i <- grep("foo",txt); i > [1] 2 4 > > but how can i get the negation (1,3) when looking for 'foo'? > > thanks, > m. > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
