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Author Topic: clear sampling problem - central Europe  (Read 1115 times)
alan trowel hands.
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Posts: 2012

« on: September 17, 2009, 07:36:13 AM »

Looking at the project maps for all the main R1b clades, its clear that there is an important block of Europe that is very undersampled - central Europe. All the ptoject maps show very very few hits in Austria, the eastern half of south Germany as well as Czech republic and eastwards.  While all the ex-beyond the iron curtain countries share this lack of sampling, the lack in Austria and neighbouring bits of south Germany is especially odd.  Is this simply because this is a very land locked area and didnt have a lot of immigration to north America?  For this reason, I think we can clearly gain positive evidence/prove presence  but we have to be a lot more careful in how we percieve negative evidence/absence while testing largely remains funded and ordered by north Americans of European descent.
« Last Edit: September 17, 2009, 07:47:51 AM by alan trowel hands. » Logged
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« Reply #1 on: September 17, 2009, 08:05:11 AM »

I agree that this is a tremendous problem. Central and Eastern Europe are grossly under represented.

The British Isles are grossly over represented.

The German sample, which is not over represented relative to the database as a whole, has its own over represented element - the Rhineland - primarily because that is where the big influx of Germans into Pennsylvania and New York in the 17th and 18th centuries mostly came from.

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