Canonical Correspondence Analysis

38

multiple regression of the environmental variables and the site (sample) scores

derived from the weighted average of the species as the dependent variable. This

value should be viewed with caution see Problems with Species Environment

Correlation.

Kendal rank  correlation species/environment scores   The analysis produces

scores for each site based on either their environmental variables or species

composition. This row gives, for each canonical axis, the Kendal rank correlation

between these two scores for all the sites.

Non canonical Eigenvalues   These are the eigenvalues for the non canonical axes

and represent the variance that could not be explained by a linear combination of the

environmental variables. These are the results of the residual analysis.

% variance explained   This is the amount of the total variance in the data that is

explained by each of the non canonical axes.

Cumulative % variance   This is the sum total of the variance explained by the

addition of each new non canonical axes.

These results can be printed or exported from the File menu and copied from the Edit

menu. See 

Export Active Grid

7.10

Sample Scores

This grid gives the score for each sample for each axis and are the values that are

plotted to form the sample

ordination (see 

Ordination Plot

).

Copyright 2004  PISCES Conservation Ltd