Wrong list! Try stats.stackexchange.com for statistics questions. This list is about R programming related issues.
Also, note that HTML does not work and should not be used here. Cheers, Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." Clifford Stoll On Tue, Jul 22, 2014 at 10:53 AM, Marino David <davidmarino...@gmail.com> wrote: > Hi all r-mailling listers: > > Can anyone explain the theory (or the formula) about computing Sum Sq > (color highligh below) related to regression items? The link of Wikipedia ( > http://en.wikipedia.org/wiki/Partition_of_sums_of_squares) gives an > introduction on how to calculate the total, model, and regression sum of > squares. Is it similar to the Sum Sq computation? Is the regression sum of > squares equal to (0.000437+ 0.002545+ 0.060984+ 0.062330+ 0.060480)? > > Any suggestion will be greatly appreciated. > > Thank you! > > David > > TraingData<-data.frame( > x1=c(3.532,2.868,2.868,3.532,2.868,2.536,3.864), > x2=c(1.992,1.992,1.328,1.328,1.328,1.66,1.66), > y=c(9.040330254,8.900894412,8.701929163,9.057944749,8.701929163,8.74317832,9.10859913) > ) > lm.sol<-lm(y~1+x1+x2+I(x1^2)+I(x2^2)+I(x1*x2),data=TraingData) > anova(lm.sol) > > Analysis of Variance Table > > Response: y > Df *Sum Sq* Mean Sq F value Pr(>F) > x1 1 0.000437 0.000437 0.1055 0.8001 > x2 1 0.002545 0.002545 0.6141 0.5768 > I(x1^2) 1 0.060984 0.060984 14.7162 0.1623 > I(x2^2) 1 0.062330 0.062330 15.0409 0.1607 > I(x1 * x2) 1 0.060480 0.060480 14.5945 0.1630 > Residuals 1 0.004144 0.004144 > > [[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. ______________________________________________ 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.
