> match(data1a, xx) [1] 2 3 4 5 2 2 2 2 On Mon, 19 Apr 2004, Stefann Jonsso wrote:
> Hello R community. > > Can anyone inform me how to solve this short problem? I have a dataset that > I want to recode according to a pair of short numerical vectors. Here is a > short example: > > > # Start R code > > map1 <- matrix(ncol=3, byrow=T,c( 197796,"label0",1, > 197797,"label1",2, > 197798,"label2",3, > 197799,"label3",4, > 197800,"label4",5)) > > xx <- as.integer(map1[,1]) > lab <- map1[,2] > yy <- as.integer(map1[,3] > > > data1a <- c(197797, 197798, 197799, 197800, > 197797, 197797, 197797, 197797) > > > > data1b <- some.function.or.combinaion.of.few(data1a,xx,yy) > > # desired result for data1b > > data1b > 2 3 4 5 2 2 2 2 > > # End R code > > > data1a is always longer than xx. > all numerical entries in data1a are members of xx. (in the more general > problem, the the number 197796 may or may not be included in data1a) > value in data1a that are not members of xx would produce a �Na� -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
