If you don't get a response it is because you did not read the Posting Guide which indicates that the R-sig-ME mailing list is where this question would have been on-topic. -- Sent from my phone. Please excuse my brevity.
On August 16, 2017 6:17:03 AM PDT, b88207...@ntu.edu.tw wrote: >Hello dear uesRs, > >I am working on modeling both level one and level two >heteroscedasticity in HLM. In my model, both error variance and >variance of random intercept / random slope are affected by some level > >two variables. > >I found that nlme is able to model heteroscedasticity. I learned how >to use it for level one heteroscedasticity but don't know how to use >it to model the level two heteroscedasticity. I wonder if anyone could > >give me some guide how to do it or any suggested software / packages >if nlme is unable to do it. > >Many thanks in advance! > >Best, >Yen > >______________________________________________ >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide >http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.