Re: [R] how to generate response variables using simple regression

2012-08-26 Thread Simon Blomberg
Hi Elaine, It's perfectly OK to develop regression models that predict wing data based on body mass. One problem that you should address is the degree of correlation among the data due to shared evolutionary history. 5 species is too small a sample to check for phylogenetic "signal" in your dat

Re: [R] how to generate response variables using simple regression

2012-08-26 Thread R. Michael Weylandt
Hi Elaine, As posed, your question is rather difficult to respond to properly. I'd imagine the answer is the predict() function, but you'll probably want to rephrase if that's not enough to get what you want. What worries me is that I would be inclined to model your bird species as categorical var