On Sep 19, 2011, at 11:48 AM, Rich Shepard wrote: > I read in ?na.omit that it returns the object with incomplete cases > removed. I interpret this to mean that any zoo object row where any column > shows 'NA' will be removed from the data set. > > That's not what I need, since the 'NA' represents information in my > context. However, what I would like to do is eliminate the rows where every > column is 'NA'. When I aggregate two factors by date in the zoo object, the > rows being with the earliest possible date even if that's not appropriate > for the row factor pair. > > Is there a way to omit only those rows where all columns contain 'NA'? > > Rich
You can look at ?complete.cases for one approach, presuming that it will work on zoo objects. HTH Marc Schwartz ______________________________________________ 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.
