r - cca using vegan : no unconstrained inertia -


i run cca analysis using vegan 7500 sites, 9 species , 5 constrains variable. results >

call: cca(sitspe = yp, sitenv = xp)              inertia proportion rank total                               constrained  0.5051               6 inertia mean squared contingency coefficient   eigenvalues constrained axes: [1] 0.3317 0.1301 0.0328 0.0089 0.0014 0.0003

i don't understand why there no unconstrained or total inertia?

probably constrained axes explained everything, , no constrained inertia left. how many axes did unconstrained ordination (cca without constraints)?

your data non-square: matrix dimensions 7500 times 9. there 9 species, , if these dependent or otherwise redundant, may able explain constraints.


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