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Thread: How to interpret N_Monte ''population value'' in yourdnaportal?

  1. #1
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    How to interpret N_Monte ''population value'' in yourdnaportal?

    It looks more accurate than gedmatch oracles, but somehow I can not figure exactly what they mean.

    This is my K15


    Population
    Value

    North_Italian
    36.8
    Spanish_Murcia
    7.4
    Portuguese
    7
    Spanish_Cataluna
    3.4
    Spanish_Castilla_Y_Leon
    3
    Mozabite_Berber
    2.4
    Spanish_Valencia
    2
    Moroccan
    1.8
    NE1
    1.8
    Oetzi
    1.8
    Greek_Thessaly
    1.6
    Spanish_Galicia
    1.6
    East_Sicilian
    1.2
    South_Italian
    1.2
    Tunisian
    1.2
    West_Sicilian
    1.2
    Algerian
    1
    Danish
    1
    Hungarian
    1
    CO1
    0.8
    Central_Greek
    0.8
    Icelandic
    0.8
    Maasai
    0.8
    Mandenka
    0.8
    Southwest_English
    0.8
    Sudanese
    0.8
    West_Scottish
    0.8
    Bantu_NE
    0.6
    Bantu_SE
    0.6
    Biaka_Pygmy
    0.6
    Greek
    0.6
    Italian_Jew
    0.6
    La_Brana-1
    0.6
    North_German
    0.6
    Orcadian
    0.6
    Swedish
    0.6
    Algerian_Jew
    0.4
    East_Greenlander
    0.4
    Irish
    0.4
    Libyan_Jew
    0.4
    Luhya
    0.4
    Mbuti_Pygmy
    0.4
    North_Swedish
    0.4
    San
    0.4
    Sandawe
    0.4
    Southeast_English
    0.4
    Tunisian_Jew
    0.4
    West_German
    0.4
    West_Greenlander
    0.4
    Yoruban
    0.4
    BR2
    0.2
    Bantu_SW
    0.2
    Bulgarian
    0.2
    Cambodian
    0.2
    Egyptian
    0.2
    Hadza
    0.2
    Jordanian
    0.2
    KO1
    0.2
    Karitiana
    0.2
    Lahu
    0.2
    Loschbour
    0.2
    Malay
    0.2
    NAN_Melanesian
    0.2
    North_Amerindian
    0.2
    North_Dutch
    0.2
    Norwegian
    0.2
    Pima
    0.2
    She
    0.2
    Stuttgart
    0.2
    Tibeto-Burman_Burmese
    0.2
    West_Norwegian
    0.2

    It basically says I have North Italian, Portuguese and Spanish ancestry plus some African and Amerindian, this is not hard to understand.

    What I want to understand is if these numbers correspond exactly to the percentages I have of these groups or are just models based on my DNA.

    I was supposed to have more ancestry in Portugal and Spain than in Italy, but all calculators other than MyHeritage give me more North Italian for some reason.

  2. The Following User Says Thank You to Caius Agrippa For This Useful Post:

     tatals (11-18-2019)

  3. #2
    Registered Users
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    H1a3a1

    England North of England Ireland Scotland Germany Romani Star of David
    It depends on the calculator. nMonte models ancestry based on your DNA and these are never 100 percent accurate.

    However, some calculators will give certain people more accurate results than others. Others will nail the majority ancestry but miss the mark on minor ancestry, or vice versa.

    The ANE calcs on yourdnaportal's nMonte is useless for my majority ancestry but surprisingly accurate for my minor ancestry. This is probably because my minor ancestry is ANE/South Asian.

    Basically, no one calculator is perfect and neither is nMonte.
    Target: mildlycurly_scaled
    Distance: 1.3578% / 0.01357814
    57.0 Irish
    37.6 English
    2.6 Roma_Barcelona
    1.8 Ashkenazi_Germany
    1.0 Roma_Granada


    Current research interest(s): The Viscontis of Milan

  4. The Following 3 Users Say Thank You to mildlycurly For This Useful Post:

     Caius Agrippa (11-17-2019),  msmarjoribanks (12-01-2019),  tatals (11-18-2019)

  5. #3
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    Brazil Azores Friuli
    Anyone?

  6. #4
    Registered Users
    Posts
    254
    Sex
    Location
    Brazil
    Ethnicity
    Italian, Portuguese
    Nationality
    Brazilian
    Y-DNA (P)
    R1b>U152
    mtDNA (M)
    X2c2
    Y-DNA (M)
    R1b>DF27>CTS4065
    mtDNA (P)
    HV0a

    Republic of Venice Italy Tuscany Italy Two Sicilies Portugal Brazilian Empire
    I wouldn't worry too much about that difference. It's probably happening because we are a little admixed.
    Last edited by tatals; 12-02-2019 at 05:34 AM.
    mtDNA: X2c2 - MDKA: Justina Maria, b. ca. 1770 in Viseu, Portugal

    maternal Y-DNA: R-CTS4065 - MDKA:Domenico Lombardo, b. ca. 1730 in Caserta, Italy

    paternal mtDNA: HV0a - MDKA: Paola Cobalchin, b. ca. 1795 in Vicenza, Italy

    paternal Y-DNA: confirmed R-M269, predicted U152-Z36 - MDKA: Pietro Scavazzini, b. ca. 1795 in Rovigo, Italy

  7. The Following User Says Thank You to tatals For This Useful Post:

     Caius Agrippa (12-04-2019)

  8. #5
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    Quote Originally Posted by tatals View Post
    I wouldn't worry too much about that difference. It's probably happening because we are a little admixed.
    It seems so. Probably even intra-European admixture of Portuguese/Spanish + different Italians and possibly some Jews can lead to some complicated results, when you put in around 10% non-euro as in my case then it becomes even more complicated. In the Eurogenes K15 PCA map I plot between Sicilians and Sardinians even if I don't have any known ancestry from them.

  9. The Following User Says Thank You to Caius Agrippa For This Useful Post:

     tatals (12-04-2019)

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