54
Community Analysis Package
10.3
Eigenvectors
This table gives the eigenvectors associated with each eigenvalue as columns.
The eigenvectors are displayed graphically by clicking on the PCA plot tab.
10.4
Viewing the correlation between variables (species)
If you wish to view either the Pearson correlation coefficients or the variance  
covariance between species (rows) can be viewed by selecting Ordination/PCA
Correlation or Ordination/PCA Covariance respectively and clicking on the Cross
Products tab.
10.5
Cross products
This table shows either the variance covariance matrix or the correlation matrix
between the descriptors (species). The matrix displayed will depend on whether
the PCA was undertaken on the correlation or the variance covariance matrix.
10.6
Species correlations
Either the Pearson correlation coefficients or the variance   covariances between
species can be viewed by selecting Ordination/PCA Correlation or
Ordination/PCA Covariance respectively and clicking on the cross products tab.
Copyright 2004, PISCES CONSERVATION LTD





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