Dear all

I have done cca in vegan pakage;

two text file are included:
*bio*
 [1] "Ampharetidae" "Sponoidae"    "Naeidae"      "Balanidae"
 "Gammaridae"
[6] "Cyprididae"   "Cardidae"     "Dreissenidae" "Semelidae"

 *mo*
 "sand"      "gravel"    "silt" "TOM"


vare.cca <- cca(bio,mo)
summary(vare.cca)

Biplot scores for constraining variables

          CCA1    CCA2    CCA3 CA1 CA2 CA3
sand   0.08356 -0.4027 -0.9111   0   0   0
gravel 0.15836  0.8716 -0.4676   0   0   0
TOM    0.63367 -0.6390  0.4239   0   0   0

*silt is not in the summary part??/*

Please inform me what is problem


all the best
-- 
Mahnaz Rabbaniha
Marine Ecologist, PhD
Iranian Fisheries Research Organization (IFRO)
P.O.Box: 14155-6116
Tehran, IRAN
Phone:   +98 21 44580953
Fax:        +98 21 44580583

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