Re: [R] format.dates, chron and Hmisc On 6/10/07, R.H. Koning  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 ______________________________________________ R-help@stat.math.ethz.ch 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.