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5.14 CAP versus dbRDA
So, how does CAP differ from dbRDA for relating two sets of variables? First, dbRDA is directiona...
5.6 Cross-validation
The procedure of pulling out one sample at a time and checking the ability of the model to correc...
2.13 Concluding remarks
PERMDISP is designed to test the null hypothesis of no differences in dispersions among a priori ...
1.33 Unbalanced designs
Virtually all of the examples thus far have involved the analysis of what are known as $balanced$...
1.26 Testing the design
Given the fact that so many important aspects of the results (pseudo-F ratios, P-values, power, t...
1.21 Components of variation
For any given ANOVA design, PERMANOVA identifies a component of variation for each term in the mo...
Appendix 2: Principal literature sources and further reading
A list of some of the core methods papers was given in the Introduction, and the source papers fo...
10.3 Recommendation
Clearly the operational taxonomic level for environ¬mental impact studies is another factor to be...
9.7 Variability weighting
describe a similar idea to dispersion weighting for use when the data are continuous biological ...
1.9 Summary
A framework has been outlined of three categories of technique (univariate, graphical/distributio...