Recently Updated Pages
Summary
This online resource gives a quick guide to get you up and running with PRIMER 7 software, with o...
1. General information
We're delighted that you've chosen to use PRIMER software. If you run in to any difficulties, we'...
8. References
Anderson (2001a) Anderson, M.J. (2001a) A new method for non-parametric multivaria...
Citation
Anderson, M.J. (2024). "A Quick Guide to PRIMER 7." PRIMER-e Learning Hub. PRIMER-e, Auckland, N...
Download example data
The Help menu item in PRIMER has options to retrieve folders that contain a large number of examp...
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...
System requirements
PC with modern Intel or AMD processor. Windows 10 (or later). 8GB RAM or more. More memory will ...
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...
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, ...