[R] 'panel.smooth' error

[Phil Spector]

Sebastian -
    panel.loess will be more suitable for use with 
xyplot. To get both points and the smoothed line,
you can use

  xyplot(incidence~year,melanoma,panel=function(x,y,...){
                                    panel.xyplot(x,y,...)
                                    panel.loess(x,y,...)})


 					- Phil Spector
 					 Statistical Computing Facility
 					 Department of Statistics
 					 UC Berkeley
 					 spector at stat.berkeley.edu


On Wed, 18 Aug 2010, Sebastian P. Luque wrote:

> Hi,
>
> The following call:
>
> xyplot(incidence ~ year, melanoma, panel=panel.smooth)
>
> produces a blank plot region with an error message:
>
> Error using packet 1
> plot.new has not been called yet
>
>
>> sessionInfo()
> R version 2.11.1 (2010-05-31)
> x86_64-pc-linux-gnu
>
> locale:
> [1] LC_CTYPE=en_CA.UTF-8       LC_NUMERIC=C               LC_TIME=en_CA.UTF-8        LC_COLLATE=en_CA.UTF-8     LC_MONETARY=C              LC_MESSAGES=en_CA.UTF-8
> [7] LC_PAPER=en_CA.UTF-8       LC_NAME=C                  LC_ADDRESS=C               LC_TELEPHONE=C             LC_MEASUREMENT=en_CA.UTF-8 LC_IDENTIFICATION=C
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
> other attached packages:
> [1] lattice_0.18-8
>
> loaded via a namespace (and not attached):
> [1] grid_2.11.1
>
>
> Is this a known problem with the above environment?
>
> Cheers,
>
> -- 
> Seb
>
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