Ian,
This means you have more variables than specimens, which your data file confirms. A parametric manova is not possible, because the algebra cannot be completed, because the covariance matrix will be singular. Dean Dr. Dean C. Adams Director of Graduate Education, EEB Program Professor Department of Ecology, Evolution, and Organismal Biology Iowa State University www.public.iastate.edu/~dcadams/ phone: 515-294-3834 On Fri, Sep 7, 2018 at 10:14 AM Ian F <ijames...@gmail.com> wrote: > Hey everyone, > I am trying to run MANOVA on some morphometric data to determine if three > groups of specimens are statistically distinct. but i am receiving the > error code > > Error in summary.manova(Raf.manova1) : residuals have rank 27 < 60. > > > Can anyone spot what i am doing wrong? > My data is attached and my script is as follows > > > > data1<-Classifier.table.two > > names(data1) > > > Raf.manova1<- > manova(cbind(x1,y1,x2,y2,x3,y3,x4,y4,x5,y5,x6,y6,x7,y7,x8,y8,x9,y9,x10,y10,x11,y11,x12,y12,x13,y13,x14,y14,x15,y15,x16,y16,x17,y17,x18,y18,x20,y20,x21,y21,x22,y22,x23,y23,x24,y24,x25,y25,x26,y26,x27,y27,x28,y28,x29,y29,x30,y30,x31,y31)~as.factor(group),data=data1) > > summary(Raf.manova1) > > summary(Raf.manova1,test = "Pillal") > > summary(Raf.manova1, test = "wilks") > > summary(Raf.manova1, test = "Hotelling-Lawley") > > summary(Raf.manova1, test = "Roy") > > > Thank you for your time. > -Ian > > -- > MORPHMET may be accessed via its webpage at http://www.morphometrics.org > --- > You received this message because you are subscribed to the Google Groups > "MORPHMET" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to morphmet+unsubscr...@morphometrics.org. > -- Dr. Dean C. Adams Director of Graduate Education, EEB Program Professor Department of Ecology, Evolution, and Organismal Biology Iowa State University -- MORPHMET may be accessed via its webpage at http://www.morphometrics.org --- You received this message because you are subscribed to the Google Groups "MORPHMET" group. To unsubscribe from this group and stop receiving emails from it, send an email to morphmet+unsubscr...@morphometrics.org.
