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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Psychometrika. 2014 Sep 19;80(2):535–559. doi: 10.1007/s11336-014-9411-3

Table 7.

Integrating the specific dimensions out of the summed score likelihoods

Multiply Cluster 1’s Summed Score Likelihoods by W1(ξ1)
Quadrature Grid for (η, ξ1)
η −2 −2 −2 ··· 0 ··· 2 2 2
ξ1 −2 −1 0 ··· 0 ··· 0 1 2
L1(0η,ξ1)W1(ξ1)=L21(0η,ξ1)W1(ξ1)
.054 .237 .371 ··· .190 ··· .011 .001 .000
L1(1η,ξ1)W1(ξ1)=L21(1η,ξ1)W1(ξ1)
.001 .007 .031 ··· .174 ··· .114 .032 .003
L1(2η,ξ1)W1(ξ1)=L21(2η,ξ1)W1(ξ1)
.000 .000 .001 ··· .038 ··· .277 .211 .052
Summing over ξ1, Leaving Cluster 1’s Summed Score Likelihoods as Functions of η Only
η
−2 −1 0 1 2
L1(0|η) = Σξ1L1(0|η, ξ1)W1(ξ1) .891 .728 .469 .212 .062
L1(1|η) = Σξ1L1(1|η, ξ1)W1(ξ1) .103 .235 .382 .411 .288
L1(2|η) = Σξ1L1(2|η, ξ1)W1(ξ1) .006 .037 .148 .377 .649
Multiply Cluster 2’s Summed Score Likelihoods by W2(ξ2)
Quadrature Grid for (η, ξ2)
η −2 −2 −2 ··· 0 ··· 2 2 2
ξ2 −2 −1 0 ··· 0 ··· 0 1 2
L2(0η,ξ2)W2(ξ2)=L22(0η,ξ2)W2(ξ2)
.052 .217 .311 ··· .100 ··· .006 .001 .000
L2(1η,ξ2)W2(ξ2)=L22(1η,ξ2)W2(ξ2)
.003 .027 .086 ··· .203 ··· .086 .027 .003
L2(2η,ξ2)W2(ξ2)=L22(2η,ξ2)W2(ξ2)
.000 .001 .006 ··· .100 ··· .311 .217 .052
Summing over ξ2, Leaving Cluster 2’s Summed Score Likelihoods as Functions of η Only
η
−2 −1 0 1 2
L2(0|η) = Σξ2L2(0|η, ξ2)W2(ξ2) .742 .519 .277 .106 .028
L2(1|η) = Σξ2L2(1|η, ξ2)W2(ξ2) .230 .375 .446 .375 .230
L2(2|η) = Σξ2L2(2|η, ξ2)W2(ξ2) .028 .106 .277 .519 .742
Multiply Cluster 3’s Summed Score Likelihoods by W3(ξ3)
Quadrature Grid for (η, ξ3)
η −2 −2 −2 ··· 0 ··· 2 2 2
ξ3 −2 −1 0 ··· 0 ··· 0 1 2
L3(0η,ξ3)W3(ξ3)=L23(0η,ξ3)W3(ξ3)
.050 .189 .190 ··· .038 ··· .003 .000 .000
L3(1η,ξ3)W3(ξ3)=L23(1η,ξ3)W3(ξ3)
.004 .052 .174 ··· .174 ··· .062 .013 .001
L3(2η,ξ3)W3(ξ3)=L23(2η,ξ3)W3(ξ3)
.000 .003 .038 ··· .190 ··· .337 .231 .054
Summing over ξ3, Leaving Cluster 1’s Summed Score Likelihoods as Functions of η Only
η
−2 −1 0 1 2
L3(0|η) = Σξ3L3(0|η, ξ3)W3(ξ3) .469 .302 .166 .077 .029
L3(1|η) = Σξ3L3(1|η, ξ3)W3(ξ3) .364 .396 .364 .285 .192
L3(2|η) = Σξ3L3(2|η, ξ3)W3(ξ3) .166 .302 .469 .638 .779