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Ordering factor levels in keys; Point & click short-cuts
PRIMER 7 now automatically displays the levels of a numeric factor in increasing order in a plot ...
Timing bar, Stop Tasks & multi-tasking
As discussed at the start of this section, if you have set SIMPROF running, with the (✓SIMPROF te...
Editing plot titles & scales
Still in the Graph Options dialog box, take the Titles tab and edit the main and sub-title conten...
SIMPROF on large matrices
The dendrogram itself is rapidly calculated, at least for the agglomerative methods, since no sea...
SIMPROF tests
All of the clustering methods are able to exploit ‘similarity profile’ (SIMPROF) permutation test...
Taxonomic dissimilarity measures
This concept of taxonomic distinctness can be carried over from a diversity index to a dissimilar...
Similarity to dissimilarity
L&L also assign $D_{14}$ to Bray-Curtis dissimilarity, the complement of $S_{17}$, defined earlie...
2.4 Species similarities
Starting with the original data matrix of abundances (or biomass, area cover etc), the similarity...
1.1 PRIMER has a lot going for it
PRIMER has a special focus - robust multivariate methods PRIMER is a specialised piece of softwar...
(Particle sizes for Danish sediments)
Sediment particle size data from 6 size ranges at 3 sites (A, B, C), at 2 depths (2m and 5m), and...
Cumulating samples
The remaining option on the Pre-treatment menu is Cumulate samples, which successively adds up th...
Mixed data types
Another example might be in attempting to reconcile two different types of data in the same matri...
Standardising samples
How the data are treated, prior to computation of a resemblance matrix (e.g. similarities), can h...
Importing factors
New factors can be created at several stages during an analysis, not just when the active window ...
Duplicating a selected worksheet
Though most Save operations are on whole workspaces, occasionally a data matrix needs to be saved...
Control of highlighting
Thus, with the WA fish diets %vol datasheet as the active window, highlight all columns except th...
(W Australia fish diets)
Dietary data on the gut contents of 7 marine fish species found in nearshore waters of the lower ...
Label matching
Alternatively, the same endpoint could have been achieved by Adding three new blank factors to th...
A three-factor hierarchical design
We will run PERMANOVA on an example dataset consisting of assemblages of molluscs collected from ...
4.2 Should I use PRIMER or R? (in short)
Use Both! The take-home message here is: use both! Neither replaces the other. They are good at d...