Dear Dr. Ibrahim,
As you note, standard LDA does not usually permit nested groupings. In
this scenario, you would either need to have one LDA for sex and one LDA
for ancestry OR you could have one LDA that classifies into compound
sex-ancestry groups (i.e., male-Malay, female-Malay,
Dear Dr. Murat Maga,
Thank you very much for your cooperation. It was very helpful.
You already have 400 cases that you know the ancestry and sex, and you want
to use this database to infer ancestry of two skulls, for which you already
know the sex. All 400 cases, as well as your two unknown,
We need to clarify a few things:
You already have 400 cases that you know the ancestry and sex, and you want to
use this database to infer ancestry of two skulls, for which you already know
the sex. All 400 cases, as well as your two unknown, specimens have associated
landmark data that were
Dear all,
I'm a Ph.D. student and I'm working with 3D CT scan geometric morphometric
analysis for classification of known Malaysian crania to different sexes
and ancestries.
I collected the landmarks using Stratovan software and did Principal
component, canonical variate, procrustes ANOVA, and
