Hi Andy,
Thanks very much for your advice, I will try that.
Best Regards,
WeiQiang Li
"Liaw, Andy" <[EMAIL PROTECTED]>
No Phone Info Available
10/26/2004 09:19 PM
To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>,
[EMAIL PROTECTED]
cc:
Subject: RE: [R] How to calculate Adjusted SS
Seems like noone has responded (at least publicly), so I'll give it a
stab.
I'm not exactly sure what you mean by `adjusted SS'. (I believe it was
Bill
Venables who said something like `There's only one type of SS.') Prof.
Fox's `car' package has the Anova() (note the capital `A') function that
computes different `types' of SS. However, if you want to estimate
variance
components, lme() in either the `nlme' or `lme4' package is probably more
suitable. They can estimate variance components by either ML or REML.
Sounds like you're trying to use the moment estimators (aka ANOVA
estimators) of variance components, which is fairly old technology, I
believe.
HTH,
Andy
> From: [EMAIL PROTECTED]
>
> Hi ALL,
>
> I am trying to compute adjusted SS & estimated
> component variance
> in GLM with un-balanced data using R. Can anyone advise me? Thanks in
> advance.
>
> Best Regards,
> WeiQiang Li
> [[alternative HTML version deleted]]
>
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