Hi, thanks for your prompt reply In my situation, the dependent variable is "post-test" and the independent variables are "pre" and "coh". Howw would I find the correlation between coh and post with the effect of "pre" regressed using your commands?
Tal Galili wrote: > > Hi Douglas > I would go for a different command then aov. > something like: > ?cor > or > ?cor.test > To also get the p value of the correlation. > > Cheers, > Tal > > > > On Sat, Apr 25, 2009 at 8:27 AM, drmh > <douglasrmhol...@googlemail.com>wrote: > >> >> (Have searched for this already) >> >> Hi, >> >> How do you find the strength of correlation between two variables using >> an >> ANOVA table? "Pr(>F)" gives the statistical significance of the >> association, but not the strength of the correlation. >> >> See data (from R) below >> >> Readable: >> "Df" "Sum Sq" "Mean Sq" "F >> value" >> "Pr(>F)" >> "pre" 1 0.00593 0.00593936 >> 0.7450563 0.401636958677004 >> "coh" 1 0.04311 0.04311302 >> 5.4082639 >> 0.0344751749542619 >> "Residuals" 15 0.11957 0.00797169 NA >> NA >> >> Original: >> "Df" "Sum Sq" "Mean Sq" "F value" "Pr(>F)" >> "pre" 1 0.0059393604629317 0.0059393604629317 0.745056336657567 >> 0.401636958677004 >> "coh" 1 0.0431130207164516 0.0431130207164516 5.40826398359156 >> 0.0344751749542619 >> "Residuals" 15 0.119575396598395 0.00797169310655964 NA NA >> >> Any help would be greatly appreciated, >> Douglas Holmes >> -- >> View this message in context: >> http://www.nabble.com/ANOVA-statistics-question-tp23231563p23231563.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 >> and provide commented, minimal, self-contained, reproducible code. >> > > > > -- > ---------------------------------------------- > > > My contact information: > Tal Galili > Phone number: 972-50-3373767 > FaceBook: Tal Galili > My Blogs: > http://www.r-statistics.com/ > http://www.talgalili.com > http://www.biostatistics.co.il > > [[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. > > -- View this message in context: http://www.nabble.com/ANOVA-statistics-question-tp23231563p23234421.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 and provide commented, minimal, self-contained, reproducible code.
