try this: x <- runif(100)
a <- x[-1] / x[-length(x)] a I hope it helps. Best, Dimitris On 3/9/2010 2:37 PM, ManInMoon wrote:
How can I generate a vector of differences between each elemtn of an vector? i.e. a[i]=x[i]/x[i-1]
-- Dimitris Rizopoulos Assistant Professor Department of Biostatistics Erasmus University Medical Center Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands Tel: +31/(0)10/7043478 Fax: +31/(0)10/7043014 ______________________________________________ R-help@r-project.org 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.
