When all else fails, RTFM; e.g., see ?princomp and read it in its entirety. Then maybe also try running example(princomp).
Andy > From: Herman, David (NIH/NIMH) > > Hello, > I'm attempting to run a PCA on an example data > set. I ran it > just fine, but I don't know how to few the output? I listed what the > variable got stored in it, but I don't know how I can get > anything else out > of it. Are there other ways to view the results? > Also, I'm confused about the last line "6 variables and 8 > observations" > Aren't the rows the variables and the columns the observations? > > (NOTE: if anyone knows a good guide for doing a PCA on an > example data set, > from start to finish, it would be greatly appreciated) > > > m > [,1] [,2] [,3] [,4] [,5] [,6] > [1,] 1 2 3 4 5 6 > [2,] 3 4 3 7 8 1 > [3,] 1 2 3 4 5 6 > [4,] 8 7 4 1 4 3 > [5,] 1 2 3 4 5 6 > [6,] 4 5 8 2 1 3 > [7,] 9 8 7 6 7 8 > [8,] 1 3 7 3 5 0 > > pc.cr<-princomp(m,cor=TRUE) > > pc.cr > Call: > princomp(x = m, cor = TRUE) > > Standard deviations: > Comp.1 Comp.2 Comp.3 Comp.4 Comp.5 > Comp.6 > 1.545609e+00 1.407093e+00 9.886649e-01 7.539927e-01 2.919276e-01 > 2.460515e-09 > > 6 variables and 8 observations. > > > > thanks! > Dave > > [[alternative HTML version deleted]] > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
