My apologies for the statistical naivete of my question but... Is there an established method or calulating the statistical power of a correlation test? And if so is there a method in R for it? Thank you, Collin Lynch.
On May 7, 2012, at 07:44 , Collin Lynch wrote:> My apologies for the statistical naivete of my question but... > > Is there an established method or calulating the statistical power of a > correlation test? And if so is there a method in R for it?There's a pwr.r.test in the "pwr" package. This is based on the Z transform, which makes quite good sense to me.> > Thank you, > Collin Lynch. > > ______________________________________________ > R-help at 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.-- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd.mes at cbs.dk Priv: PDalgd at gmail.com
Hi Collin, Look in the package 'pwr' for 'pwr.r.test'. A.K. ----- Original Message ----- From: Collin Lynch <collinl at cs.pitt.edu> To: r-help at r-project.org Cc: Sent: Monday, May 7, 2012 1:44 AM Subject: [R] Statistical power of correlations. My apologies for the statistical naivete of my question but... Is there an established method or calulating the statistical power of a correlation test?? And if so is there a method in R for it? ??? Thank you, ??? Collin Lynch. ______________________________________________ R-help at 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.