Développement du modèle de farnir

Vraisemblance

    __
V = || V 
    i   i

genotype du pere i, G(i)   in { QQ,Qq,qQ,qq }  
genotype de la mere i,i, G(i,j)   in { QQ,Qq,qQ,qq } 

prob(G(i)) in { P'1, P'2, P'3, P'4}

          a
P'1 =  ---------
        1 + Sum (a+b+c)

          b
P'2 =  ---------
        1 + Sum (a+b+c)

          c
P'3 =  ---------
        1 + Sum (a+b+c)

         1
P'4 =  ---------
        1 + Sum (a+b+c)

                            __                              __
V    =  Sum  [ prob(G(i)) * || Sum(G(i,j)) [ Sum [p(hd(ij)) || prob(G(i,j,k))]]]
 i       G(i)              (i,j)                            nd  

pour chaque position à tester :
prob(G(i,j,k)) = exp 1/2( Y(i,j,k) - Mu(i) - Mu(i,j) - [ pdd(1)* A[G(i)[1],G(i,j)[1]] + pdd(2)* A[G(i)[1],G(i,j)[2]] - pdd(3)* A[G(i)[2],G(i,j)[1]] - pdd(4)* A[G(i)[2],G(i,j)[2]]] )         

Source

source:trunk/src/analyse/m_qtlmap_analyse_biallelic_farnir.f95

Note :
Pour modifier le modèle selon le tableau suivant :

Général Dominance Additif
L1 L1 L1
L2 L2 (L1+L2)/2
L3 L2 (L1+L2)/2
L4 L3 L2

Il faut décommenter les lignes ici : source:trunk/src/analyse/m_qtlmap_analyse_biallelic_farnir.f95#L320

Execution dans QTLMap

--calcul=40

Paramètres à estimer

P1 :

Summary des resultats Demi-Freres(ndmin=15)

Reference

calcul=1

         I-----------I-----------I-----------I-----------I

    53.2 -                     oo
    51.3 I   
    49.4 I                        oo
    47.5 I                   o
    45.6 I   
    43.7 I                           o
    41.8 -   
    40.0 I                  o
    38.1 I   
    36.2 I                            o
    34.3 I                 o
    32.4 I               o
    30.5 -              o
    28.6 I   
    26.7 I                              o
    24.8 I            o                     o
    22.9 I                                 o o oo o
    21.1 I                                         o
    19.2 -           o                   o           o
    17.3 I  o
    15.4 I   o                                        o
    13.5 I     o   o                                    o
    11.6 I      o o                                      o
     9.7 I                                                 o
     7.8 -                                                  o

            I-----------I-----------I-----------I-----------I
    0.01        0.42        0.83        1.25        1.66

 Maximum likelihood ratio test :

Test H0 / H1 :  53.19069

 The maximum is reached at position(s)    0.6600(Chr :7   ) 
 flanking marker (qtl:    1) ,SLA                 ,S0102               
 ---------------------------------------------------------------
 Estimation of parameters under H1
 ---------------------------------------------------------------

 Within sire standard deviation
 sire 910001  s.d. :     0.484
 sire 910045  s.d. :     0.567
 sire 910081  s.d. :     0.578
 sire 910088  s.d. :     0.568

  parameter            estimable ?    value     precision

 Sire Qtl effect                         

          Sire 910001                               yes     -0.178     0.000
          Sire 910045                               yes     -0.121     0.000
          Sire 910081                               yes     -0.203     0.000
          Sire 910088                               yes     -0.255     0.000

 Dam Qtl effect                          

          Dam 910014                                yes     -0.287     0.000
          Dam 910071                                yes     -0.219     0.000
          Dam 910002                                yes     -0.450     0.000
          Dam 910010                                yes     -0.186     0.000
          Dam 910009                                yes     -0.134     0.000
          Dam 910069                                yes     -0.084     0.000
          Dam 910074                                yes     -0.337     0.000

 Mean Sire                               

          Sire 910001                               yes      6.872     0.000
          Sire 910045                               yes      7.086     0.000
          Sire 910081                               yes      7.179     0.000
          Sire 910088                               yes      7.405     0.000

 Mean dam                                

          Dam 910014 [Sire 910001]                  yes     -0.022     0.000
          Dam 910071 [Sire 910001]                  yes      0.022     0.000
          Dam 910002 [Sire 910081]                  yes      0.014     0.000
          Dam 910010 [Sire 910081]                  yes     -0.014     0.000
          Dam 910009 [Sire 910088]                  yes     -0.021     0.000
          Dam 910069 [Sire 910088]                  yes      0.196     0.000
          Dam 910074 [Sire 910088]                  yes     -0.174     0.000

Additif

Methode d'optim MaxLRT Pos Prob(QQ) QQ Prob(Qq) Qq Prob(qQ) qQ Prob(qq) qq
quasinewton 47.66 0.66 0% 16.738 92% 16.315 7% 15.892 0% 15.892
simplex 50.89 0.66 1% -54.827 93% -55.275 5% -55.275 0% -55.722
sbplx 47.32 0.66 0% -0.306 99% 0.143 0% 0.143 0% 0.592

h3.

Additif ndmin=50

Methode d'optim MaxLRT Pos Prob(QQ) QQ Prob(Qq) Qq Prob(qQ) qQ Prob(qq) qq
quasinewton 29.02 0.56 0% -0.705 94% -1.136 5% -1.136 0% -1.566
simplex 28.74 0.56 2% 59.122 91% 58.691 5% 58.691 0% 58.261
sbplx 47.32 0.66 0% 0.038 94% -0.392 5% -0.392 0% -0.823

General ndmin=15

Methode d'optim MaxLRT Pos Prob(QQ) QQ Prob(Qq) Qq Prob(qQ) qQ Prob(qq) qq
quasinewton 51.83 0.66 0% 1.438 92% 0.798 7% 0.966 0% 0.639
simplex 56.29 0.66 1% -89.091 92% -89.805 6% -89.560 0% -89.955
sbplx 54.48 0.66 0% -0.225 99% 0.090 0% 0.032 0% 0.763

General ndmin=50

Methode d'optim MaxLRT Pos Prob(QQ) QQ Prob(Qq) Qq Prob(qQ) qQ Prob(qq) qq
quasinewton 30.93 0.56 0% -1.538 94% -2.270 5% -1.929 0% -2.483
simplex 30.62 0.56 3% -16.301 91% -17.034 5% -16.692 0% -17.246
sbplx 30.93 0.56 0% 0.198 94% -0.534 5% -0.193 0% -0.747

Resultats des analyses

resultats des analyses biq