Try something like: sample[which(sample$Domain==xxx & sample$sex==FeMale), ]
Hope that helps, Josh On Thu, May 6, 2010 at 10:04 PM, Mohan L <l.mohan...@gmail.com> wrote: > Hi all, > > I have data like this: > >>sample <- read.csv(file="sample.csv",sep=",",header=TRUE) >> sample > > stdate Domain sex age Login > 1 01/11/09 xxx FeMale 25 2 > 2 01/11/09 xxx FeMale 35 4 > 3 01/11/09 xxx Male 18 30 > 4 01/11/09 xxx Male 31 3 > 5 02/11/09 xxx Male 32 11 > 6 02/11/09 xxx Male 31 1 > 7 02/11/09 xxx FeMale 29 1 > 8 02/11/09 xxx FeMale 23 5 > 9 03/11/09 xxx FeMale 25 9 > 10 03/11/09 xxx FeMale 35 6 > 11 03/11/09 xxx Male 18 3 > 12 03/11/09 xxx Male 31 0 > 13 04/11/09 xxx Male 32 25 > 14 04/11/09 xxx Male 31 1 > 15 04/11/09 xxx FeMale 29 0 > 16 01/11/09 yyy FeMale 25 2 > 17 01/11/09 yyy FeMale 35 4 > 18 01/11/09 yyy Male 18 30 > 19 01/11/09 yyy Male 31 3 > 20 02/11/09 yyy Male 32 11 > 21 02/11/09 yyy Male 31 1 > 22 02/11/09 yyy FeMale 29 1 > 23 02/11/09 yyy FeMale 23 5 > 24 03/11/09 yyy FeMale 25 9 > 25 03/11/09 yyy FeMale 35 6 > > > I have done the graph for all the data. Now I want to get data from > particular Domain and Sex from above data, then I need to do the calculation > , eg : > > # if both are true > if(Domain == xxx && sex==FeMale) > > I need the data in another variable, like this > > 1 01/11/09 xxx FeMale 25 2 > 2 01/11/09 xxx FeMale 35 4 > 3 02/11/09 xxx FeMale 29 1 > > I have failed to achieve it . any help would greatly appreciated. > > Thanks & Rg > Mohan L > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Joshua Wiley Senior in Psychology University of California, Riverside http://www.joshuawiley.com/ ______________________________________________ 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.