maybe the help of one of the corrStruct classes is of interest to you: ?corCompSymm ?corSymm ?corAR1 ?corCar1 ?corARMA ?corExp ?corGaus ?corLin ?corRatio ?corSphere
Good luck, Thilo On Wednesday 26 July 2006 17:34, Jonathan Smith wrote: > I am trying to implement my own covariance matrix into R. Then be able > to use it in gls or lme or nlme to analyze some data. I simply want to use > corr=mymodel(form ~tim/peep) same as can use corr= corAR1 and many others. > Having a terrible time trying to figure out how to do this. I have found > documentation saying that you can do this but cant find out how. Any > suggestings would be greatly appreciated. > > My covariance matrix is: > | 1 s1^g s2^g s3^g � | > | s1^g 1 s1^g s2^g � | > | s2^g s1^g 1 s1^g ... | > | s3^g s2^g s1^g 1 � | > > Thankyou kindly for your time > Jonathan Smith -- ________________________ Thilo Kellermann Department of Psychiatry und Psychotherapy RWTH Aachen University Pauwelstr. 30 52074 Aachen Tel.: +49 (0)241 / 8089977 Fax.: +49 (0)241 / 8082401 E-Mail: [EMAIL PROTECTED]
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