[R] Omiting repeated values
Dear all R users, Is there any function to omit repeated values in a vector? Your help will be highly appreciated. Thanks stat - Heres a new way to find what you're looking for - Yahoo! Answers [[alternative HTML version deleted]] __ 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 and provide commented, minimal, self-contained, reproducible code.
Re: [R] Omiting repeated values
?duplicated On 2/21/07, stat stat [EMAIL PROTECTED] wrote: Dear all R users, Is there any function to omit repeated values in a vector? Your help will be highly appreciated. Thanks stat - Here's a new way to find what you're looking for - Yahoo! Answers [[alternative HTML version deleted]] __ 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 and provide commented, minimal, self-contained, reproducible code. -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? [[alternative HTML version deleted]] __ 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 and provide commented, minimal, self-contained, reproducible code.
Re: [R] Omiting repeated values
x - sample(1:3, 20, TRUE) x # do you mean unique(x) # or rle(x)$values I hope it helps. Best, Dimitris Dimitris Rizopoulos Ph.D. Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/(0)16/336899 Fax: +32/(0)16/337015 Web: http://med.kuleuven.be/biostat/ http://www.student.kuleuven.be/~m0390867/dimitris.htm Quoting stat stat [EMAIL PROTECTED]: Dear all R users, Is there any function to omit repeated values in a vector? Your help will be highly appreciated. Thanks stat - Heres a new way to find what you're looking for - Yahoo! Answers [[alternative HTML version deleted]] Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm __ 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 and provide commented, minimal, self-contained, reproducible code.
Re: [R] Omiting repeated values
Hi, 'unique' or its combination with 'match' if you need to keep the vector the same length will do it: a-c(1,2,4,2,5,5,6,7,8) unique(a) [1] 1 2 4 5 6 7 8 a[ which( is.na( match(1:length(a), match(unique(a),a)) ) ) ]=NA a [1] 1 2 4 NA 5 NA 6 7 8 This is probably not the best implementation, but it does the job. 'table' will also give you the number of occurances of unique values: a-c(1,2,4,2,5,5,6,7,8) table(a) a 1 2 4 5 6 7 8 1 2 1 2 1 1 1 Oleg stat stat wrote: Dear all R users, Is there any function to omit repeated values in a vector? Your help will be highly appreciated. Thanks stat - Here’s a new way to find what you're looking for - Yahoo! Answers [[alternative HTML version deleted]] __ 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 and provide commented, minimal, self-contained, reproducible code. -- Dr Oleg Sklyar * EBI/EMBL, Cambridge CB10 1SD, England * +44-1223-494466 __ 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 and provide commented, minimal, self-contained, reproducible code.
