Re: [R] format.dates, chron and Hmisc

2007-06-12 Thread Deepayan Sarkar 
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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[R] format.dates, chron and Hmisc

2007-06-10 Thread R.H. Koning 
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)

In both cases, the cron objects have been created using the function 
chron(). Are lattice and Hmisc functions incompatible with chron, or am 
I doing something else that causes these problems? Thanks, Ruud


> sessionInfo()
R version 2.5.0 (2007-04-23)
i386-pc-mingw32

locale:
LC_COLLATE=English_United States.1252;LC_CTYPE=English_United 
States.1252;LC_MONETARY=English_United 
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252


attached base packages:
[1] "stats" "graphics"  "grDevices" "utils" "datasets"  
"methods"   "base"


other attached packages:
lattice MASSchron xlsReadWriteHmisc
   "0.15-4" "7.2-33" "2.3-11"  "1.3.2"  "3.3-2"

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