ok. Here's an example: R version 2.11.1 effects_2.0-10
var1 <- c(25631.9392, 2521.2590, 6656.6516, 1362.5997, 6369.9818, 27253.4223, 2073.1909, 9959.3792, 3318.2500, 15323.8103, 11583.8717, 3054.5558, 625.6597, 2500.0000, 11996.2271) var2 <- as.factor(c("B:=500", "B:=500", "B:=500", "B:=500", "B:=500", "B:=500", "B:=500", "B:=500", "B:=500", "C:750-1000", "C:750-1000", "B:=500", "B:=500", "B:=500", "B:=500")) glm1 <- glm(var1 ~ var2, family = Gamma(link = "log")) summary(glm1) library(effects) plot(effect("var2", glm1)) Error in apply(mod.matrix[, components], 1, prod) : subscript out of bounds Error in plot(effect("var2", glm1)) : error in evaluating the argument 'x' in selecting a method for function 'plot' > On Sat, Jul 30, 2011 at 3:10 PM, jim holtman <jholt...@gmail.com> wrote: > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > We can not help unless we at least have the data that you are using. > > On Sat, Jul 30, 2011 at 3:01 PM, Lars Bishop <lars...@gmail.com> wrote: >> Dear List, >> >> Several times I use this package I get the error message shown below. >> When I work out simple examples, it turns out to be fine, but when >> working with real and moderate size data sets I always get the same >> error. >> >> Do you know what could be the cause of the problem? >> >> >> Error in apply(mod.matrix[, components], 1, prod) : >> subscript out of bounds >> Error in plot(effect("myvariable", glm.sev1)) : >> error in evaluating the argument 'x' in selecting a method for >> function 'plot' >> >> Thanks, >> Lars/ >> >> ______________________________________________ >> R-help@r-project.org 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. >> > > > > -- > Jim Holtman > Data Munger Guru > > What is the problem that you are trying to solve? > ______________________________________________ R-help@r-project.org 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.