vignette & sex determination

[chrinne]

1. If the sex determination is mainly based on robustness and not on physiological markers (e.g. incisura ischiadica) sexual dimorphism in body size is a self fulfilling prophesy.
2. Sex differentiation should only be accepted as male, female, NA. Gradual differentiation will lead to problems for the calculation.
3. Output should be provided for each group and the overall sample.