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Greetings! I have one quick question: How do you do a Tukey test on an ANCOVA? Thanks for any tips! -Paul
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Hello R users, I have a basic "computer programing" question. I am a student currently taking a course that uses Fortran as the main programming language, but the instructors are open to students using any language they are familiar with...
Greetings! I am looking for advice regarding the best way to compare GAMMs. I know other model outputs return enough information for R's AIC, ANOVA, etc. commands to function, but this is not the case with GAMM unless one...
Hello all, Thank you for the previous assistance I received from this listserve! My current question is: How can I create an appropriate matrix of values from a GAM (actually a GAMM) to make a 3-D plot? This model...
Greetings, I am making 3D plots using persp3d, and would like to set z-axis limits and make axis labels (the automatic numbers at tick marks) bold. I have tried "zlim", but this does not seem to force the plot...
Hello R Users, I have a question regarding fitting a model with GAM{mgcv}. I have data from several predictor (X) variables I wish to use to develop a model to predict one Y variable. I am working with ecological...
Hello R Users, I have a question regarding fitting a model with GAM{mgcv}. I have data from several predictor (X) variables I wish to use to develop a model to predict one Y variable. I am working with ecological...
Hello R Users, I have a question regarding fitting a model with GAM{mgcv}. I have data from several predictor (X) variables I wish to use to develop a model to predict one Y variable. I am working with ecological...
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