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    1. Re: [DNA] counting databases
    2. Andreas West via
    3. So much about 23andme being useless. Thanks for sharing those impressive stats, Eric! I just wish I would have any match over 30cM, let along 60cM Andreas > On 1 Dec 2015, at 20:48, Eric S Johnson via <genealogy-dna@rootsweb.com> wrote: > > My little contribution to the "how many matches" counting game: I've sent > spit kits from each of the three PGSs to all of my kids' grandparents and > one sibling each (and in one case, two siblings). When I go through them all > and count up "everyone who shares more than 30 cM with us, collectively," I > get (aggregated over these 27 exomes) . > > 160 "public" matches on 23andMe (of which >80% have "shared") > > 112 matches on AncestryDNA > > 36 matches on FTDNA. > > I find the chances of "solving" them (identifying a paper-trail genealogical > relationship) is pretty decent for anything over 60 cM: of the 39 matches > who meet this criterion (out of ~300 mentioned above (some of the matches > are on more than one platform)), 23 are solved (mostly all 4th cousins or > closer). Of the 16 remaining >60cM ones, the main problem is "non-responsive > + private tree" rather than "we can't figure it out no matter how hard we > try" (of which "adopted match" is a subset). Of the <60cM matches, my solve > rate peters out quickly as of yet. I don't see the solve rate among these 39 >> 60cM "high matches" differing much between the three PGSs. > > > > Best, > > Eric > > > ------------------------------- > To unsubscribe from the list, please send an email to GENEALOGY-DNA-request@rootsweb.com with the word 'unsubscribe' without the quotes in the subject and the body of the message

    12/01/2015 02:41:58