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.... If you are interested in joining our team, please send a resume and cover letter to careers at epixanalytics.com. Successful applicant(s) will be required to pass a background check. Barbara S. O'Neill Office Manager Phone: +1 303 440 8524 Fax: +1 303 440 0320 <mailto:fzagmutt at epixanalytics.com> boneill at epixanalytics.com | <http://www.epixanalytics.com/> www.epixanalytics.com [[alternative HTML version deleted]]

...in joining our team, please send a resume and cover letter to careers at epixanalytics.com. Successful applicant(s) will be required to pass a background check. Best regards, Barbara Barbara S. O'Neill Office Manager Phone: +1 303 440 8524 Fax: +1 303 440 0320 <mailto:fzagmutt at epixanalytics.com> boneill at epixanalytics.com | <http://www.epixanalytics.com/> www.epixanalytics.com [[alternative HTML version deleted]]

Using R v. 1.7.0 on Windows 2000 I would like to plot the fitted values of a model as a function of a continuous covariate, augmented with data (e.g., augPred) grouping by combinations of fixed effects. I have not been able to use augPred effectively, and am wondering if it does not handle unbalanced data (3 out of 192 missing). I include below the model and an xyplot that almost does the

Dear All This is probably a very basic question for this list but I just wanted to make sure that I am doing things right: I have an LME model with 4 categorical variables and 2 continuous variables (analysis of covariance model). I had to use a log transformation on the data to achieve normality (log(x)-.1) and then I used contrast treatment to compare differences between a baseline level

Hi There I have a lm object with 4 parameters and I want to test wether 2 parameters are equal using a Wald test (basically b1=b2 or b1-b2 =0). In the help file from R it says that under ANOVA the optional arguments " Terms" or "L" test whether a linear combination is equal to 0. I tried; >anova(m1, Terms = Beta1-Beta2=0) but I get the error: Object " Beta1"