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Hi, I have been running the same code without problem for the last few days, changing data sets etc with no issue. Today I changed the covariates for the model and am now getting this error message: Error in `contrasts<-`(`*tmp*`, value = contr.funs[1 + isOF[nn]]) : contrasts can be applied only to factors with 2 or more levels Everything in the code looks the same to me, but I'm a

...I run it as root it does run. It seems as if this "Running Live" issue is being ignored, although Running Live is a common feature with many Linux distros and is one great security environment vs. Running off hard disk. Yet having to run as root to get apps going in Live environment is occurning with more apps as I try them out. This time I get "Failed to open, find, or create Sandbox directory". How can I fix this issue? (my other issues have not been solved by the pros and Im forced to do this that the faq sys not to do). I dont want too run it as root. But I need to run it...