Dear all,
I'm using the Geomorph package in R to do the PCA. It shows the negative-most
and positive-most shapes of a PC, which is really great. I just want to ask if
there is any way to visualize shape change along a certain PC?
I know that Morphologika does this by allowing one to move the c
Hello!
I'm working on the beginnings of a masters thesis and part of it is taking over
a project from a previous student. I am learning MorphoJ to help finish that
project, but the original student used 14 landmarks (LMs) and we've realized
some of those are not helpful in our anaylsis. They ac
Charles,
There are several ways to do what you wish within geomorph. First, the
plotTangentSpace function does allow one to specify which axes are plotted.
This can be useful for obtaining shape deformations along the extremes of axes
other than PC1 and PC2.
A more flexible option is to use
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Hi Sara,
In the Preliminaries menu in MorphoJ there is the option to Select Landmarks
where you can include/exclude any landmarks in your total set. This will create
a new dataset with only the landmarks you want.
As for informative landmarks, that depends on the structure under study as well