Hi,

I am facing a problem with getting the species score while running NMDS in
vegan. My data structure looks like this:

,spa,spb,spc,spd,spe,spf,spf,spg
1,214.28,470.63,469.38,1109.22,5708.47,0,2973.86,70.51
2,118.29,337.1,465.29,887.01,1600.85,0,62.82,12.54
3,0,220.87,699.3,1169.4,1454.49,0,73.8,12.28
.
.

I am using the code:

nmds<-read.table('book3_vag.csv', header=TRUE, sep=",", row.names=1)
dis.bray<-vegdist(nmds, method="bray")
nmds<-metaMDS(dis.bray, k=3, wascores=TRUE)

But the results are noting giving me the species score:
Call:
metaMDS(comm = dis.bray, k = 3, wascores = TRUE)
Nonmetric Multidimensional Scaling using isoMDS (MASS package)
Data:     dis.bray
Distance: bray
Dimensions: 3
Stress:     8.498857
No convergent solutions - best solution after 20 tries
Scaling: centring, PC rotation
Species: scores missing

Could anyone kindly suggest where am I going wrong?

Thank you

Soumi

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