[R] warning messages in grid or lattice give that I can't debug

[Uwe Ligges]

Richard M. Heiberger wrote:
> The messages are visible in 2.6.0dev
> The same commands in 2.4.1 work without warning messages.
> I am using the HH_1.18-1 from R_2.4.1 with both R versions and not
> the current HH_2.1-3
> 
> version$version.string
> installed.packages()[c("grid","lattice", "HH"),3]
> ## library(HH)
> library(lattice, lib.loc="C:/PROGRA~1/R/R-2.4.1/library")

It is essential not to use a lattice version designed for R-2.4.1 with 
R-devel... And I don't see a reason, and in some cases, switching to 
another major version of R requires recompiling of packages anyway.

Uwe Ligges





> hotdog <- read.table(hh("datasets/hotdog.dat"), header=TRUE)
> ancova(Sodium ~ Calories + Type, data=hotdog)
> 
> 
> the messages in R_2.6.0dev are
> Warning messages:
> 1: In grid.Call.graphics("L_points", x$x, x$y, x$pch, x$size) :
>   supplied color is not numeric nor character
> ...
> 6: In grid.Call.graphics("L_points", x$x, x$y, x$pch, x$size) :
>   supplied color is not numeric nor character
> 
> 
> My guess is that these warnings are a response to a change in grid or lattice
> in 2.5.0.  I attempted to trace these with 
> options(warn=2)
> options(error=recover)
> without success.
> 
> Debugging suggestions or revised programming suggestions would be appreciated.
> 
> Rich
> 
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