On 1/2/06, Stephen <[EMAIL PROTECTED]> wrote: > > Hi All., > > Following on from all the help I received earlier .. > > Just so as you know a well known text book (T&F) uses "repeated > observations" > > - I think perhaps they meant repeated measures in retrospect > > I am a total beginer to ARIMA, but have read a a basic text. > > I read that ARIMA requires a minimum of 50 repeated measures in time > (repeated measures)- > > Unfortunately, I have 8 repeated measures of the same psychiatirc > appraisal the sample sizes was decent (n > 200). > > Is ARIMA violated or does it remain robust under such circumstances? > > Is there a viable alterative to ARIMA out there to analyze a trend of 8 > repeated measures w. > 200 cases?
So you have 200 short time series? Maybe have a look at package nlme? Kjetil Many thanks > > Stephen > > > > ???? ?"? ???? ???? > http://mail.nana.co.il > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > [[alternative HTML version deleted]] ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
