On Sat, Nov 26, 2011 at 10:55 AM, Kevin Burton <rkevinbur...@charter.net> wrote: > I have two time series > > > > a <- ts(1:10, start=c(1,6), end=c(2,5), frequency=10) > > b <- ts(1:5, start=c(2,1), end=c(2,5), frequency=10) > > > > Obviously 'b' is a subset of 'a'. I want a single index value indicating > where that start of 'b' lines up with the start of 'a'. So in this simple > example I would expect an index of 5. I was playing with 'merge'. But, for a > 'ts' object this does not produce anything that is useful: > > > >> merge(a,b) >
Try this: library(zoo) m <- merge(a = as.zoo(a), b = as.zoo(b)) m or to get a ts object back: as.ts(m) -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.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.