Thank you, you were of great help. Cheers,
G. 2012/2/2 Sarah Goslee <[email protected]> > Are you using ecodist? > > If so, you need to look at iris.nmds to get the stress and the > r2. > > min(iris.nmds$stress) > iris.nmds$r2[which.min(iris.nmds$stress)] > > The advantage of nmds.min() is that it lets you choose > a particular dimension solution rather than the lowest > available. > > For your example, the same thing can be achieved with > iris.nmds$conf[[which.min(iris.nmds$stress)]] > > Sarah > > 2012/2/2 Gian Maria Niccolò Benucci <[email protected]>: > > Hi all, > > > > I am trying to run a nmds with function nmds() > > Once I run the following code I wonder how to look to the R2 and stress > > value of the chosen configuration. > > > > iris.nmds <- nmds(iris.md, mindim=2, maxdim=2, nits=50) > > > > iris.nmin <- nmds.min(iris.nmds) > > > > > > Which among the 50 configuration the functions chose? > > How to look to its stress and R2 values? > > > > > > If I type iris.nmin I only got the X1 and X2 coordinates... > > > > > > Thanks in advance, > > > > Gian > > > > -- > Sarah Goslee > http://www.functionaldiversity.org > -- Gian Maria Niccolò Benucci, Ph.D. Department of Applied Biology University of Perugia Email: [email protected] *----- Do not print this email unless you really need to. Save paper and protect the environment! -----* [[alternative HTML version deleted]]
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