Canonical Correspondence Analysis
If you have a fair number of species, sites or environments it will be confusing and
impossible to read, as shown above. Many display options are available to produce a
figure that allows you to see clearly the relationships within your data. Below the
graph there are two buttons Set Plots and Set Label which will display options that
can be used to select the data and labels that will be displayed. and drop down
The Plot radio button can be used to plot either the sample scores derived from the
weighted species averages or the sample scores derived from the linear regression of
the environmental variables. You should normally plot the default which is the
weighted average sample (sites) scores.
The Plot Component drop down boxes allow the selection of the axis for plotting.
Generally, you will only be interested in plotting the first 2 or 3 axes. If you select an
axis in the right hand drop down menu then you will be presented with a 3D graph.
The environmental vectors are not plotted on a 3D graph.
You can change almost every aspect of your graph. To change graph options, print
and export see
Graph display options
To pan and zoom within the graph area see
Zooming and panning on graphs
To export your graph see
Export Tee Chart
To print your graph see
Printing and exporting your results
Copyright 2004 PISCES Conservation Ltd