Re: [R] linearHypothesis() ERROR-Message

2014-07-10 Thread John Fox
Dear Katharina, There's no specific method for linearHypothesis() for objects produced by plm(), but as you say, the default method seems to work. For example, following example(plm): -- snip --- > linearHypothesis(zz, names(coef(zz)), test="F") Linear hypothesis test Hypothes

[R] linearHypothesis() ERROR-Message

2014-07-10 Thread Katharina Mersmann
Dear Community, unfortunately I canĀ“t give you an reproducable example, because I really do not understand why this messages pops up. I estimate an Fixed Effects Modell, controlling for HAC, because F-statistic changes, I want to compute it, for the other model-specifications it works, But for t