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6.16 Example: NZ kelp holdfast macrofauna
We now consider the fully nested design, C(B(A)). In north-eastern New Zealand, examined assembl...
6.15 Example: King Wrasse fish diets, WA
We begin the 3-factor examples with a fully crossed design A$\times$B$\times$C of the composition...
6.14 Three-way ANOSIM designs
Table 6.4 details all viable combinations of 3 factors, A, B, C, in crossed/nested form, ordered/...
6.12 Two-way ordered ANOSIM designs
Under the non-parametric framework adopted in this manual (and in the PRIMER package) three forms...
6.11 Example: Ekofisk oil-field macrofauna
studied the soft-sediment macrobenthos at 39 sites at different distances (100m to 8km) and diff...
6.9 Example: Exe nematodes (no replication and missing data)
A final example demonstrates a positive outcome to such a test, in a common case of a 2-way layou...
6.7 Example: Eaglehawk Neck meiofauna (two-way crossed case)
An example of a two-way crossed design is given in and is introduced more fully here in Chapter ...
6.6 Example: Clyde nematodes (2-way nested case)
analysed meiobenthic communities from three putatively polluted (P) areas of the Firth of Clyde ...
6.3 Example: Frierfjord macrofauna
The rank similarities underlying Fig. 6.3 are shown in Table 6.2 (note that these are the similar...
6.1 Univariate tests and multivariate tests
Many community data sets possess some a priori defined structure within the set of samples, for e...
BVStep starting and stopping options
On B-C on 4rt, Analyse>BEST>(Method•BVSTEP) & (Worksheet: 4rt data), taking the defaults for all ...
5.9 Example: Okura estuary macrofauna
describe macrofauna samples from the Okura estuary {O}, on the northern fringes of urban Aucklan...
5.8 Further nMDS/mMDS developments
Higher dimensional solutions MDS solutions can be sought in higher dimensions and we noted previo...
5.7 MDS strengths and weaknesses
MDS strengths MDS is simple in concept. The numerical algorithm is undeniably complex, but it ...
5.4 EXAMPLE: Dosing experiment, Solbergstrand
The nematode abundance data from the dosing experiment {D} at the GEEP Oslo Workshop was previous...
5.2 Non-metric multidimensional scaling (MDS)
The method of non-metric MDS was introduced by and , for application to problems in psychology; ...
4.2 Principal components analysis
The starting point for PCA is the original data matrix rather than a derived similarity matrix (t...
4.1 Ordinations
An ordination is a map of the samples, usually in two or three dimensions, in which the placement...
3.6 Binary divisive clustering
All discussion so far has been in terms of hierarchical agglomerative clustering, in which sample...
3.5 Similarity profiles (SIMPROF)
Given the form of the dendrogram in Fig. 3.3, with high similarities in apparently tightly define...