On Tue, Jun 23, 2009 at 10:04 AM, David Winsemius<dwinsem...@comcast.net> wrote: > > On Jun 23, 2009, at 9:50 AM, Gabor Grothendieck wrote: > >> Your zoo object is illegal since zoo objects are not supposed to >> have duplicated times; > > They were unique at the sub-second level. > >> however, ignoring that if the object has >> at most one NA in each row, which is the case in the example, >> then this will produce a numeric vector and you can create a >> new zoo object out of that: >> >>> rowSums(z, na.rm = TRUE) >> >> [1] 1.63755 1.63760 1.63760 1.63755 1.63755 1.63760 > > But that will not give the desired answer if both aq$mid and d2$mid were > present at the same time.
What was written was: "if the object has at most one NA in each row, which is the case in the example, ..." ______________________________________________ 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.
