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6.15 Example: King Wrasse fish diets, WA

Change in Marine Communities Chapter 6: Testing for differences betw...

We begin the 3-factor examples with a fully crossed design A$\times$B$\times$C of the composition...

Updated 8 months ago by Abby Miller

6.14 Three-way ANOSIM designs

Change in Marine Communities Chapter 6: Testing for differences betw...

Table 6.4 details all viable combinations of 3 factors, A, B, C, in crossed/nested form, ordered/...

Updated 8 months ago by Abby Miller

6.12 Two-way ordered ANOSIM designs

Change in Marine Communities Chapter 6: Testing for differences betw...

Under the non-parametric framework adopted in this manual (and in the PRIMER package) three forms...

Updated 8 months ago by Abby Miller

6.11 Example: Ekofisk oil-field macrofauna

Change in Marine Communities Chapter 6: Testing for differences betw...

studied the soft-sediment macrobenthos at 39 sites at different distances (100m to 8km) and diff...

Updated 8 months ago by Abby Miller

6.9 Example: Exe nematodes (no replication and missing data)

Change in Marine Communities Chapter 6: Testing for differences betw...

A final example demonstrates a positive outcome to such a test, in a common case of a 2-way layou...

Updated 8 months ago by Abby Miller

6.7 Example: Eaglehawk Neck meiofauna (two-way crossed case)

Change in Marine Communities Chapter 6: Testing for differences betw...

An example of a two-way crossed design is given in and is introduced more fully here in Chapter ...

Updated 8 months ago by Abby Miller

6.6 Example: Clyde nematodes (2-way nested case)

Change in Marine Communities Chapter 6: Testing for differences betw...

analysed meiobenthic communities from three putatively polluted (P) areas of the Firth of Clyde ...

Updated 8 months ago by Abby Miller

6.3 Example: Frierfjord macrofauna

Change in Marine Communities Chapter 6: Testing for differences betw...

The rank similarities underlying Fig. 6.3 are shown in Table 6.2 (note that these are the similar...

Updated 8 months ago by Abby Miller

6.1 Univariate tests and multivariate tests

Change in Marine Communities Chapter 6: Testing for differences betw...

Many community data sets possess some a priori defined structure within the set of samples, for e...

Updated 8 months ago by Abby Miller

BVStep starting and stopping options

PRIMER v7: User Manual / Tutorial 14. Further matching of multivariate pa...

On B-C on 4rt, Analyse>BEST>(Method•BVSTEP) & (Worksheet: 4rt data), taking the defaults for all ...

Updated 8 months ago by Arden

5.9 Example: Okura estuary macrofauna

Change in Marine Communities Chapter 5: Ordination of samples by mul...

describe macrofauna samples from the Okura estuary {O}, on the northern fringes of urban Aucklan...

Updated 8 months ago by Marti

5.8 Further nMDS/mMDS developments

Change in Marine Communities Chapter 5: Ordination of samples by mul...

Higher dimensional solutions MDS solutions can be sought in higher dimensions and we noted previo...

Updated 8 months ago by Marti

5.7 MDS strengths and weaknesses

Change in Marine Communities Chapter 5: Ordination of samples by mul...

MDS strengths MDS is simple in concept. The numerical algorithm is undeniably complex, but it ...

Updated 8 months ago by Marti

5.4 EXAMPLE: Dosing experiment, Solbergstrand

Change in Marine Communities Chapter 5: Ordination of samples by mul...

The nematode abundance data from the dosing experiment {D} at the GEEP Oslo Workshop was previous...

Updated 8 months ago by Marti

5.2 Non-metric multidimensional scaling (MDS)

Change in Marine Communities Chapter 5: Ordination of samples by mul...

The method of non-metric MDS was introduced by and , for application to problems in psychology; ...

Updated 8 months ago by Marti

4.2 Principal components analysis

Change in Marine Communities Chapter 4: Ordination of samples by pri...

The starting point for PCA is the original data matrix rather than a derived similarity matrix (t...

Updated 8 months ago by Marti

4.1 Ordinations

Change in Marine Communities Chapter 4: Ordination of samples by pri...

An ordination is a map of the samples, usually in two or three dimensions, in which the placement...

Updated 8 months ago by Marti

3.6 Binary divisive clustering

Change in Marine Communities Chapter 3: Clustering methods

All discussion so far has been in terms of hierarchical agglomerative clustering, in which sample...

Updated 8 months ago by Marti

3.5 Similarity profiles (SIMPROF)

Change in Marine Communities Chapter 3: Clustering methods

Given the form of the dendrogram in Fig. 3.3, with high similarities in apparently tightly define...

Updated 8 months ago by Marti

3.3 Example: Bristol Channel zooplankton

Change in Marine Communities Chapter 3: Clustering methods

perform hierarchical cluster analyses of zooplankton samples, collected by double oblique net ha...

Updated 8 months ago by Marti