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Thread: MyHeritage More Accurate Than 23andme?

  1. #31
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    ha ha ha its a good point , but you forget one , they match the jew DNA to a certain populism that they know are Jews and know they adn as in my case i'm Iberian but in all companies that i did test none gave any percentage of jew so they could not find any match in that people that they have in they database of jew people , its simple

  2. #32
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    where you got that 0.6 % african ? must be bulshit ?, seems 23 and assigns that to so many people ?

  3. #33
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    i personaly can say , reporting percentages og 0,3 or 0.6 , even 2.0 is ridiculous your results should be only acepted if it is more than 5.0 percentage in the results

  4. #34
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    23andMe. Definitely.

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     23abc (07-19-2020)

  6. #35
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    Quote Originally Posted by Tanchik View Post
    23andMe. Definitely.
    I disagree. As seen in the videos I posted, 23andme labels this Greek guy "Western Asian", which makes no sense.

    23andme also greatly overestimates major components, and underestimates minor components. This is due to their methodology of snipping the genome into 100 SNP segments to compare against the limited references they have. So for example, if 60% of the the segment indicates Middle Eastern, and 40% indicates S Asian, that segment is assigned 100% Middle Eastern. In effect 40% of the segment, which is S Asian is ignored, and the whole segment is assigned Middle-Eastern. Also, their methodology includes segment smoothing, which means if there are chunks of minor components in a segment, they are ignored. They also assign "broadly" which is annoying. MyHeritage seems to be garbage but at least they don't completely miss minor ancestry or have a political agenda.

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     dosas (07-19-2020)

  8. #36
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    Quote Originally Posted by Aiden View Post
    I disagree. As seen in the videos I posted, 23andme labels this Greek guy "Western Asian", which makes no sense.
    He's a Greek Cypriot, of course the largest component of his ancestry is Western Asian. And that's old, in the current version of 23andme, most of his ancestry would fall into a 'Cypriot' category. The person in the video is upset that he didn't score much Balkan, and makes some pretty strange accusations about political agenda because he doesn't have knowledge about the admixture of Greeks. I think it's pretty clear that the reference population for 23andme's Balkan section is Albanian, which includes some level of Slavic admixture (not as high as most of the Balkans, but more than most areas of Greece). Greeks with the least amount of Slavic admixture score 'Italian' instead, and if they really do have WANA admixture they will score it.

    Quote Originally Posted by Aiden View Post
    MyHeritage seems to be garbage but at least they don't completely miss minor ancestry or have a political agenda.
    Yes, they actually do miss minor ancestry, and give large amounts of ancestry people don't have. It's obvious MyHeritage runs like an nmonte oracle rather that actually identifying ancestry, as the amount of Sephardic Jew, Sardinian and other % of my Dodecanese Greek matches is way too high to be legitimate, and is the same thing one would get running nmonte across an entire spreadsheet.

    People can disagree with 23andme's output, but at least the results are consistent of people of the same ethnic background. If I go through all my matches of similar ethnicity, their results all look the same. I can't say the same thing for any other website. On MyHeritage especailly, all have completely different results. You see 23andme's segment admixture algorithm as a negative but it actually produces the best and most consistent results and allows people to trace minor amounts of ethnicity (I've seen people trace legitimate small amounts of Ashkenazi thanks to 23andme).
    Hidden Content Originally Posted by My G25 Coords
    23abc_scaled,0.10927,0.152329,-0.022627,-0.052972,0.006463,-0.010598,-0.003525,0.002308,-0.010431,0.016037,0.002923,-0.006145,-0.003717,0.00523,-0.007736,0.000133,-0.002347,0.008488,0.001006,-0.005253,-0.005865,-0.006801,0.006039,0.00253,0.000718

    23abc,0.0096,0.015,-0.006,-0.0164,0.0021,-0.0038,-0.0015,0.001,-0.0051,0.0088,0.0018,-0.0041,-0.0025,0.0038,-0.0057,0.0001,-0.0018,0.0067,0.0008,-0.0042,-0.0047,-0.0055,0.0049,0.0021,0.0006

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  10. #37
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    Quote Originally Posted by Aiden View Post
    I disagree. As seen in the videos I posted, 23andme labels this Greek guy "Western Asian", which makes no sense.

    23andme also greatly overestimates major components, and underestimates minor components. This is due to their methodology of snipping the genome into 100 SNP segments to compare against the limited references they have. So for example, if 60% of the the segment indicates Middle Eastern, and 40% indicates S Asian, that segment is assigned 100% Middle Eastern. In effect 40% of the segment, which is S Asian is ignored, and the whole segment is assigned Middle-Eastern. Also, their methodology includes segment smoothing, which means if there are chunks of minor components in a segment, they are ignored. They also assign "broadly" which is annoying. MyHeritage seems to be garbage but at least they don't completely miss minor ancestry or have a political agenda.
    I disagree with you. I found them to be much more accurate. But still both companies have long way to go. They still far for been accurate. They use clusters and matches so thats not the case... I saw 2 population groups without "name" for example Gypsys and N.african Jews. Their breakedown was much accurate than any other company. For example this N.African jew was Tunisian and as you know 23andme doesnt have North african jew category and N.Africans and Jews have very diffrent dna they even not on the same cluster. And hes results was Tusnia Levante and South Europe. This is hes makeup what create hes group to be called Tunisian Jew for example. Also for roma Gypsy from Serbia I've seen their incredible way to show hes makeup.

  11. #38
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    I have been with 23andme and myheritage for over 5 years , Ftdna 8 years...........I have V3 23andme ( the best one ) and I have only found these numbers below confirmed matches via , birth, death and marriage records

    23andme only 2 matches ..................with 3 family samples

    Myheritage only 13 matches ...............with 4 family samples

    Ftdna only 3 match ....................with 5 family samples

    Geni only 2 matches ...................with myself only

    I am not using matches that each share, but matches the other site does not have


    BTW......I did not include the Geneanet of which I have found 2 x DNA matches confirmed with BDM records.............DNA in Geneanet has only been available since March this year


    My Path = ( K-M9+, TL-P326+, T-M184+, L490+, M70+, PF5664+, L131+, L446+, CTS933+, CTS3767+, CTS8862+, Z19945+, BY143483 )


    Grandfather via paternal grandmother = I1-L22 ydna
    Great grandmother paternal side = T1a1e mtdna

  12. #39
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    23andme is the best choice if considering the price and what they offer for it. Talking about their ancestry proportions, their greatest strength is the algorithm, which improved a lot over the last years and is now the supreme standard in the field. Their main weakness are samples. I remember when they put people on 100 percent Eeastern European or 100 percent Balkan just because of their place of origin. That did improve, they removed many outliers, but not completely so. And if you are from an undersampled group of people, even just region, you get more false results and undeclared. But for Central Europeans in particular there is so far no better choice out there as far as I know. They just need to gather more regional and ethnic samples and break up states even more.
    That they called Ashkenazi European doesn't really matter, you can do it or not, both is correct in its own way, but what did matter was their map choice making most of Eastern Central Europe "Ashkenazi Jewish lands". This was of course an affront, because what about Polish or Czech people? Their "Eastern European" homeland was no longer on the map. Their whole countries were put under AJ, which is ridiculous. They could have done it like FTDNA, with overlaying maps/borders, but they did correct it eventually and since then I see no reason to complain.

  13. #40
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    Does anyone know what the overlap is between myheritage and 23andme v4?

    ie if 23andme v4 is uploaded to myheritage - would the relative sharing to a myheritage customer be accurate? ie if less of an overlap myheritage-23andme vs myheritage-myheritage, could they end up reporting a lower percentage overlap / smaller total segment sharing?

    I say this in reference to my below post:

    cousin sharing - dilemma
    Paternal; Y-DNA: R1a-L657> Y6> Y11> Y920*
    Paternal; mtDNA: M5b'c
    Maternal; Y-DNA: R1a-L657> Y6
    Maternal; mtDNA: M4b1
    Maternal Grandmother; Y-DNA: R1a-L657> Y6

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