Jeff08 wrote:
Sample Data.Frame formatName is Returns.names X id ticker date_ adjClose totret RankStk 427225 427225 00174410 AHS 2001-11-13 21.66 100 1235 "id" uniquely defines a row What I am trying to do is add missing data for each ID. Important Information: Date is not continuous, the data points are for trading days, so weekends/certain holidays are off x<-unique(Returns.names$date_) gives me the list of all the possible trading days. For days that are missing, I would like to add a row for that date & the same totret as the previous day. I cant think of an easy way to do this
See this thread... http://www.opensubscriber.com/message/r-h...@stat.math.ethz.ch/6986471.html specifically the last post by Gabor. ______________________________________________ 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.
