I want to do a multiple regression , correlating offspring produced on mating one with offspring produced on mating two also with male age at the first mating as a variable.
The 'dependent' variable would be offspring produced after second mating with offspring produced from first mating and male age at first mating as the other two (explanatory) variables.
Do i -> analyse ->regression -> linear ,then put both first mating offspring and male age in the independent box? Not sure what stats / plot to look at?
Or GLM stepwise reduction.
Also tried R but couldn't get past 'pairs' as not enough df
Should i just be looking at graphs?
The books all seem very vague on this topic!
Last edited by marigold; 04-01-2009 at 10:11 AM.
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