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6.5 ANOSIM for two-way layouts
Three types of field and laboratory designs are considered here: a) the 2-way nested case can ari...
2.2 R has some down sides
Like any software, R has some down sides. R has a steep learning curve R is a programming languag...
6.10 ANOSIM for ordered factors
Generalised ANOSIM statistic for the 1-way case Now return to the simple one-way case of page 6.2...
6.2 ANOSIM for the one-way layout
Fig.6.3 displays the MDS based only on the 12 samples (4 replicates per site) from the B, C and D...
Step 5: ANOSIM test
The ordination plot gives us a visualisation of the rank-order relationships among the samples, b...
1.31 Split-plot designs (Woodstock plants)
Another special case of a design lacking appropriate replication is known as a split-plot design....
Step 2: Resemblance
For a description of the Bray-Curtis resemblane measure and the rationale for its use with biotic...
18.4 Example: Loch Creran macrobenthos
collected a set of 256 soft-sediment macrobenthic samples along a transect in Loch Creran, Scotl...
17.11 Taxonomic dissimilarity
A natural extension of the ideas of this chapter is from $\alpha$- or ‘spot’ diversity indices to...
Step 1: Data selection
Open up the example data file Launch PRIMER, then click File > Open... from the main menu, naviga...
Step 4: Ordination
The cluster analysis goes some way towards helping us to understand potential patterns of similar...
An analysis of biotic data
Rationale Multivariate data are very complex and can be difficult to analyse and interpret. Each ...
Importing data from Excel
Step 1. Ensure your data are in a format suitable for import into PRIMER Suppose we have a datase...
Acknowledgements
We thank our many collaborators, correspondents and workshop participants from around the world, ...
Index to data sets
Sections in which the specified data sets are analysed; bold indicates location of an introductio...
11.4 Linking biota to multivariate environmental patterns
The intuitive premise adopted here is that if the suite of environmental variables responsible fo...
Bootstrap regions for Fal estuary macrofauna
A final example of bootstrap regions which do strongly overlap, and for which the hypothesis test...
Bootstrap regions for Tikus coral reef study
The above study was not an example given in Chapter 18 of CiMC and was therefore discussed in det...
(W Australia fish diets)
The diet study for 7 species of W Australian fish, with a variable number of dietary samples from...
Bootstrap averages in a reduced $m$MDS space
Though hopefully the above gives the motivation and an idea of the way the region estimates are c...