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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 1 month ago by Arden

BVStep (Morlaix macrofauna)

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

Re-open the Morlaix ws workspace in C:\Examples v7\Morlaix macrofauna from earlier in this sectio...

Updated 1 month ago by Arden

Species sets ‘explaining’ the overall pattern

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

The main application area for the BVStep routine introduced by Clarke KR & Warwick RM 1998, Oecol...

Updated 1 month ago by Arden

BVStep stepwise selection

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

There is one fundamental problem with applying BEST (Bio-Env) in many of the above scenarios: the...

Updated 1 month ago by Arden

Other BEST applications

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

Another situation employing rank correlation ($\rho$) between two resemblance matrices is the BES...

Updated 1 month ago by Arden

(Calafuria macroalgae experiment)

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

The Calafuria macroalgal recolonisation experiment monitored the same physical rock patches over ...

Updated 1 month ago by Arden

(Tees Bay macrofauna)

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

The workspace Tees ws was saved in Section 9; if not available open the data Tees macrobenthic ab...

Updated 1 month ago by Arden

2STAGE for time series and repeated measures

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

In the context of a 2-factor design, PRIMER makes a 2nd stage matrix very simple to produce but i...

Updated 1 month ago by Arden

(Phuket coral transect)

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

Open the workspace Phuket ws, of coral cover for the Ko Phuket transect A, in C:\Examples v7\ Phu...

Updated 1 month 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 1 month 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 1 month 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 1 month 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 1 month 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 1 month ago by Marti

4.4 PCA for environmental data

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

The above example makes it clear that PCA is an unsatisfactory ordination method for biological d...

Updated 1 month 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 1 month 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 1 month 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 1 month 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 1 month 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 1 month ago by Marti