On 6/10/07, R.H. Koning <[EMAIL PROTECTED]> wrote:
> Hello, I have some problems in using chron, Hmisc, and lattice. First,
> using both chron and Hmisc, I get an error message when describing data:
>
> df$Date <- chron(df$Date,format=c("d/m/y"))
> > ll <- latex(describe(df),file="..//text//df.tex")
> Error in formatDateTime(dd, atx, !timeUsed) :
> could not find function "format.dates"
>
> Then, using a chron object and lattice, I get
>
> > plot.a <- xyplot(theta~Date|team,data=op.df.long,
> + strip = function(bg, ...) strip.default(bg = 'transparent', ...),
> + panel=function(x,y,...){
> + panel.xyplot(x,y,cex=0.4,col="black",...)
> + panel.loess(x,y,span=0.3,col="black",...)
> + panel.abline(h=0)
> + })
> > print(plot.a)
> Error in pretty(rng, ...) : unused argument(s) (format.posixt = NULL)
This one is a bug in lattice (there is some code to support chron
objects, but evidently not many people use it). I will include a fix
in the next update.
-Deepayan
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