While the polarity of PCA is arbitrary, vectors showing PCA variability at
landmarks show relationships among those landmarks. E.g., (if the
mono-spaced font works)...
-----O
O-----
vs.
-----O-----
-----O-----
-ds
On Tuesday, August 4, 2015 at 10:19:53 AM UTC-4, John O'Connor wrote:
>
> Hi everyone,
>
> I'm starting out with Morphometrics so this is probably a basic question.
> Can anyone tell me why the Lollipop graphs produced by MorphoJ (showing a
> dot and a line with the dot usually being the mean) only show one
> direction, should there not be variation on the other in two directions to
> represent +/- variations?
>
> Thanks in advance
> John O'Connor
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