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$version.string installed.packages()[c("grid","lattice", "HH"),3] ## library(HH) library(lattice, lib.loc="C:/PROGRA~1/R/R-2.4.1/library") hotdog <- read.table(hh("datasets/hotdog.dat"), header=TRUE) ancova(Sodium ~ Calories + Type, data=hotdog) the messages in R_2.6.0dev are Warning messages: 1: In grid.Call.graphics("L_points", x$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 ______________________________________________ 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.