A brief tour through the operation of PRIMER v7
A brief tour through the operation of PRIMER v7
Opening the examples
Opening the examples After launching the PRIMER desktop by clicking on its icon, the first step i...
Reading data in from Excel
Reading data in from Excel As an example of reading in data from Excel, first open and examine th...
Basic MVA wizard
Basic MVA wizard To cater for users completely unfamiliar with the basic outputs from a multivari...
Pre-treatment of data
Pre-treatment of the data (sometimes in more than one way) is usually desirable. For assemblage d...
Matrix display wizard
On active sheet Fal nematode abundance, run Wizards>Matrix display, not taking all the defaults i...
Environmental data
For environmental-type data, such as the Fal environment sheet, it is often appropriate to transf...
Resemblance calculation
Resemblance calculation The next stage in both the Fal nematode and environment runs of the Basic...
ANOSIM tests
The wizard then runs, for both biotic and abiotic data, Analyse>ANOSIM>(Model: One-way - A) & (Fa...
CLUSTER analyses
The Basic MVA wizards then run a cluster analysis, again on the respective resemblance matrices. ...
MDS & PCA ordinations
The Basic MVA wizard next produces non-metric MDS (nMDS) plots in 2-d and 3-d, together with thei...
Species analyses
The final step in the Basic MVA wizard is to break down the dissimilarities (or distances) betwee...
Other analyses
A further bubble plot you might like to try on the Fal nMDS is to superimpose abiotic variables f...