RE: Repeated measures
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RE: Repeated measures



Dear Nagal,

You have a small amount of data so convergence was difficult.

The following job has 3 parts.

Part 1 gets a reasonable estimate
of the error variance.

PART 2 notes the high correlation so
gets a smoother genetic matrix.

 LogL=-840.974     S2=  1.0000       1203 df

 Source                Model  terms     Gamma     Component    Comp/SE   % C
 Residual            UnStruct     1   3.23510       3.23510       5.28   0 U
 Residual            UnStruct     1   2.82548       2.82548       4.63   0 U
 Residual            UnStruct     2   3.35958       3.35958       5.35   0 U
 Residual            UnStruct     1   2.66142       2.66142       4.39   0 U
 Residual            UnStruct     2   3.12695       3.12695       5.03   0 U
 Residual            UnStruct     3   3.45187       3.45187       5.49   0 U
 Tr.id               CORRelat     3   1.00205       1.00205     118.14   0 U
 Tr.id               CORRelat     3   2.08741       2.08741       2.74   0 U
 Covariance/Variance/Correlation Matrix UnStructured
  3.235     0.8570     0.7964
  2.825      3.360     0.9182
  2.661      3.127      3.452

 Analysis of Variance                   DF     F-incr
  14 Tr.yearb                           12      79.46
  15 Tr.breed                            3      30.16
  16 Tr.sex                              3      17.66
  17 Tr.tyb                              3      15.71
  18 Tr.aod                             12       3.21

Note that the genetic correaltion is estimated GT 1
so given the error variance are uniform, there may be
no gain in having separate variance for the 3 times of measurement.

I.E.   maybe the model should just fit   id  not Tr.id

Anyway,  !PART 3 gives

 LogL=-839.673     S2=  1.0000       1203 df

 Source                Model  terms     Gamma     Component    Comp/SE   % C
 Residual            UnStruct     1   3.43347       3.43347       5.59   0 U
 Residual            UnStruct     1   2.82459       2.82459       4.62   0 U
 Residual            UnStruct     2   3.11536       3.11536       4.75   0 U
 Residual            UnStruct     1   2.72358       2.72358       4.57   0 U
 Residual            UnStruct     2   2.96266       2.96266       4.67   0 U
 Residual            UnStruct     3   3.37582       3.37582       5.24   0 U
 Tr.id               UnStruct     1   1.82947       1.82947       2.48   1 U
 Tr.id               UnStruct     1   2.09764       2.09764       2.74   0 U
 Tr.id               UnStruct     2   2.40448       2.40448       2.88   0 U
 Tr.id               UnStruct     1   2.01612       2.01612       2.73   0 U
 Tr.id               UnStruct     2   2.30970       2.30970       2.87   0 U
 Tr.id               UnStruct     3   2.19816       2.19816       2.75   0 U
 Covariance/Variance/Correlation Matrix UnStructured
  3.433     0.8636     0.8000
  2.825      3.115     0.9136
  2.724      2.963      3.376
 Covariance/Variance/Correlation Matrix UnStructured
  1.829      1.000      1.005
  2.098      2.404      1.005
  2.016      2.310      2.198



A few more runs are required. I hope this gets you going.

<><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Arthur Gilmour PhD                  mailto:Arthur.Gilmour@agric.nsw.gov.au
Principal Research Scientist (Biometrics)            fax: <61> 2 6391 3899
NSW Agriculture                                           <61> 2 6391 3922
Orange Agricultural Institute             telephone work: <61> 2 6391 3815
Forest Rd, ORANGE, 2800, AUSTRALIA                  home: <61> 2 6362 0046

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 REPEATED MEASURES WT1 WT2 WT3
 id     !p
 sire
 dam
 yearb   5
 breed   2
 sex     2
 tyb     2
 aod     5
 age1    1
 wt1     !m0
 wt2     !m0
 wt3     !m0
PED.TXT
WTALL1.TXT  !STEP .01  !DOPART 3
!PART 1
wt1 wt2 wt3  ~Trait Tr.yearb Tr.breed Tr.sex Tr.tyb Tr.aod Tr.age1# !r Tr.id
1 2 0
!PART 2
 !CONTINUE
wt1 wt2 wt3  ~Trait Tr.yearb Tr.breed Tr.sex Tr.tyb Tr.aod Tr.age1 !r Tr.id
1 2 1
!PART 3
 !CONTINUE
wt1 wt2 wt3  ~Trait Tr.yearb Tr.breed Tr.sex Tr.tyb Tr.aod Tr.age1 !r Tr.id
1 2 1
!PART
0
Trait 0 US
6*0

Tr.id 2
!PART 3
Tr 0 US
 2 .98 2 .98 .98 2
!PART 2
Tr 0 CORUV .8 1
!PART
id 0 AINV