zoo and merge.zoo- read the help files. Use chron to generate a list of dates that correspond to the one that you want, and then merge away. This should get you started
Stephen Sefick On Wed, Aug 13, 2008 at 9:08 AM, Erik Iverson <[EMAIL PROTECTED]> wrote: > rcoder wrote: >> >> Hi everyone, >> >> I want to extract data from a data set according to dates specified in a >> vector. I have created a blank matrix with row names (dates) that I want >> to >> extract from the full data set. I have then performed a merge to try to >> o/p >> rows corresponding to common dates to a results matrix, but the operation >> did not fill the results matrix. Coulc anyone offer any advice to assist >> with this operation? > > Yes, follow the posting guide and provide commented, minimal, > self-contained, reproducible code of your problem. > > ______________________________________________ > 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. > -- Let's not spend our time and resources thinking about things that are so little or so large that all they really do for us is puff us up and make us feel like gods. We are mammals, and have not exhausted the annoying little problems of being mammals. -K. Mullis ______________________________________________ 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.