0.003725088 is the mean square error.
2015-04-14 13:44 GMT-04:00 Michael Dewey <li...@dewey.myzen.co.uk>: > See in-line > > > On 14/04/2015 18:23, li li wrote: > >> Hi all, >> I have following data. When I perform an anova, the residual sum of >> square returns to be zero. >> But this is wrong, since we can hand calculate the RSS to be around >> 0.0308. >> Did anyone come across the same problem before? Any suggestions? >> Thanks. >> Hanna >> >> ydata >>> >> Y sample.Y >> 1 0.477 0.5 >> 2 0.477 0.5 >> 3 0.478 0.5 >> 4 27.320 27 >> 5 27.420 27 >> 6 27.300 27 >> 7 29.440 29 >> 8 29.620 29 >> 9 29.610 29 >> 10 35.840 35 >> 11 35.900 35 >> 12 35.850 35 >> >>> fit.Y <- aov(Y~sample.Y, data=ydata) >>> summary(fit.Y) >>> >> Df Sum Sq Mean Sq F value Pr(>F) >> sample.Y 3 2203 734.2 190706 <2e-16 *** >> Residuals 8 0 0.0 >> --- >> Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 >> >> > 734.2 / 197096 > [1] 0.003725088 > > Did you mean 0.0038 above? > > [[alternative HTML version deleted]] >> >> ______________________________________________ >> 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 <http://www.r-project.org/posting-guide.html> >> and provide commented, minimal, self-contained, reproducible code. >> >> > -- > Michael > http://www.dewey.myzen.co.uk/home.html > [[alternative HTML version deleted]] ______________________________________________ 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.
