Thank you for the explanation Dr Philipp.
On Thursday, May 25, 2017 at 10:16:06 PM UTC+8, mitt...@univie.ac.at wrote:
>
> As an exploratory technique, PCA makes no distributional assumptions; it
> is used to explore the empirical distribution of the data. The sample does
> not need to be balanc
As an exploratory technique, PCA makes no distributional assumptions; it is
used to explore the empirical distribution of the data. The sample does not
need to be balanced with regard to sex or other grouping variables, but
larger groups have a stronger effect on the PCA than smaller groups.
Th
