On Thu, Mar 17, 2011 at 07:52:29PM -0400, Gabor Grothendieck wrote:
> ...
> > I hope to learn what I'm misunderstanding.
> ...
>
> This line in the code above produces an invalid object:
> class(df$time) <- "POSIXct"
>
> It should be:
> class(df$time) <- c("POSIXct", "POSIXt")Ah. Thank you, Sir! I hadn't realized that...! (And correcting it does make a significant difference -- in a good direction.) > Also there is a bug in barplot.zoo that results in a bunch of warnings > (although it still produces the correct result). You can workaround > it by using names= in place of names.arg= . Doing that will avoid > those warnings. Cool; I think I can cope with a circumvention or two. I appreciate the help! Peace, david -- David H. Wolfskill [email protected] Depriving a girl or boy of an opportunity for education is evil. See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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