search for: pco2

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2005 Oct 06
1
Compare two distance matrices
Hi all, I am trying to compare two distance matrices with R. I would like to create a XY plot of these matrices and do some linear regression on it. But, I am a bit new to R, so i have a few questions (I searched in the documentation with no success). The first problem is loading a distance matrix into R. This matrix is the output of a the Phylip program Protdist and lookes like this: 5
2010 Aug 24
0
mlm for within subject design
...2.8802778 3.5524921 1.6707483 2.7134664 4.9800100 2.5480973 4.3439383 10 3.0686316 2.6196374 2.4765500 3.2133783 5.1381903 1.4228493 1.5749603 8 9 2 3 4 5 6 7 8 9 3.3777063 10 2.8790276 3.6806114 And then, I follow from help: > pco1 = dudi.pco(dist1, nf=2, scannf=F) > pco2 = dudi.pco(dist2, nf=2, scannf=F) > coi = coinertia(pco1, pco2, nf=2, scannf=F) > testco1 = randtest.coinertia(coi, nrepet=1000) The result is: > Error in randtest.coinertia(coi, nrepet = 1000) : Not yet available Could anyone help with this? Best, PM --Forwarded Message Attachme...