Hi Mary, Are you using R for your other analysis? If so, What commands are you using for your analysis?
p.s: please keep the rest of the R-help mailing list in the loop. Cheers, Tal ----------------Contact Details:------------------------------------------------------- Contact me: tal.gal...@gmail.com | 972-52-7275845 Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) | www.r-statistics.com (English) ---------------------------------------------------------------------------------------------- On Mon, May 2, 2011 at 4:24 PM, MARY A. WEISS <mwe...@temple.edu> wrote: > Hi Tal, > > Thanks for your answer. I am running models with two-way fixed effects and > two-way fixed effects with a cluster option. The results are very > different. I wanted to know if it is appropriate to cluster my data or > not. In looking through the R manual, I thought that prabclus might help me > answer the question. Does prabclus include any tests that will tell me if > cluster analysis is appropriate to use with my data? That is, is cluster > analysis valid for my data? > > Thanks in advance for any help you can give me. I really appreciate it. > > Mary > > On Mon, May 2, 2011 at 7:20 AM, Tal Galili <tal.gal...@gmail.com> wrote: > >> Hi Mary, >> I'm not sure I understood your question. >> >> Are you using this package: >> http://cran.r-project.org/web/packages/prabclus/index.html >> <http://cran.r-project.org/web/packages/prabclus/index.html>And asking >> how to decide if to use it or not? >> >> ----------------Contact >> Details:------------------------------------------------------- >> Contact me: tal.gal...@gmail.com | 972-52-7275845 >> Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) | >> www.r-statistics.com (English) >> ---------------------------------------------------------------------------------------------- >> >> >> >> >> >> >> On Sun, May 1, 2011 at 7:54 PM, mary weiss <mwe...@temple.edu> wrote: >> >>> Does R have the capability to perform tests for the need of clustering >>> analysis (e.g., in prabclus)? I am using panel data with two-way fixed >>> effects but am unsure about whether I should be using a cluster option as >>> well to estimate my model.-- >>> View this message in context: >>> http://r.789695.n4.nabble.com/Tests-for-the-need-of-cluster-analysis-tp3488097p3488097.html >>> Sent from the R help mailing list archive at Nabble.com. >>> >>> ______________________________________________ >>> R-help@r-project.org mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html> >>> and provide commented, minimal, self-contained, reproducible code. >>> >> >> > > > -- > Mary A. Weiss, Ph. D. > Deaver Prof. of Risk, Insurance & Healthcare Mgmt > Editor, Risk Management and Insurance Review > Risk, Ins. & Healthcare Mgmt Dept. > Fox School of Business > 1801 Liacouras Walk 6th Fl (006-07) > Temple University > Philadelphia, PA 19122 > 215-204-1916 > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list 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.