We have always the same problem, Italic IA and BA are very close to Iberian and many of Balkan samples from same times, and modern Iberians have for real Italic input from Roman times but itīs difficult to pinpoint it through Italic IA and BA samples but more with Imperial ones.
Also continental Celtic input should be already inside Iberian BA and IA peoples from Iberia.
But itīs ok, itīs not easy to do a calculator for everybody because each ethnicity should use itīs own calculator made specifically for them. An universal calculator for everybody , and more with ancient references ends up being a "overlapping nightmare".:thumb001:
I used 0.25X because with no penalization our results are near absurd and very fragmented and doing so seems to be quite consistent.
Target: gixajo_scaled
Distance: 1.1857% / 0.01185687 | ADC: 0.25x
40.0 Iberian
37.2 Celtic
16.6 Italic
5.2 Balkan
1.0 Germanic
Target: gixajo_dad_scaled
Distance: 1.2607% / 0.01260686 | ADC: 0.25x
45.0 Iberian
28.4 Celtic
22.2 Balkan
3.8 Berber
0.6 Bantu
Target: gixajo_mom_scaled
Distance: 0.9223% / 0.00922291 | ADC: 0.25x
42.6 Iberian
30.2 Italic
22.4 Celtic
4.4 Germanic
0.4 Berber
Target: gixajo_enana_scaled
Distance: 0.5238% / 0.00523827 | ADC: 0.25x
41.4 Iberian
40.0 Celtic
17.8 Italic
0.8 Germanic

