# Recently Updated Pages

#### 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...