Re: [R] Testing for significant differences between groups in multiple linear regression

2015-01-23 Thread Bert Gunter
Look no further! The answer is yes. However, if you are interested in why your query is probably nonsense and why overall tests of significance are a **really bad idea** in most scientific contexts (imho, anyway), then I suggest you post to a statistical list like stats.stackexchange.com . ...

[R] Testing for significant differences between groups in multiple linear regression

2015-01-23 Thread Janka Vanschoenwinkel
Dear R-colleagues, I am looking for a way to test whether one regression has significant different coefficients and overall results for 10 groups (grouping variable is "irr"). *What I have* The regression is: Depend = temp + temp² + perc + perc² + conti è split up for multiple groups of irr