FEVExample1

FEVExample1 - Subject-specific observed profiles of...

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logfev1 -0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 age 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Subject-specific observed profiles of log(fev1) vs age logfev1 -0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 loght 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 0.42 0.44 0.46 0.48 0.50 0.52 0.54 0.56 0.58 0.60 Subject-specific observed profiles of log(fev1) vs log(ht)
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logfev1 -0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 baseage 6 7 8 9 1 01 11 21 31 41 log(fev1) vs baseline age 5 logfev1 -0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 logbht 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 0.42 0.44 0.46 0.48 0.50 0.52 0.54 0.56 log(fev1) vs log(baseline ht)
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Data from subject 35, who has data at all integer ages 7,8,. ..,18 1 Obs id ht age baseht baseage logfev1 loght logbht 239 35 1.14 7.0171 1.14 7.0171 0.06766 0.13103 0.13103 240 35 1.18 7.9945 1.14 7.0171 0.10436 0.16551 0.13103 241 35 1.23 8.9829 1.14 7.0171 0.29267 0.20701 0.13103 242 35 1.30 10.0370 1.14 7.0171 0.23111 0.26236 0.13103 243 35 1.36 11.0773 1.14 7.0171 0.40547 0.30748 0.13103 244 35 1.44 12.0876 1.14 7.0171 0.66783 0.36464 0.13103 245 35 1.52 13.0623 1.14 7.0171 0.76081 0.41871 0.13103 246 35 1.55 14.1547 1.14 7.0171 0.94001 0.43825 0.13103 247 35 1.56 15.0773 1.14 7.0171 0.88789 0.44469 0.13103 248 35 1.56 16.1478 1.14 7.0171 0.97078 0.44469 0.13103 249 35 1.56 17.0103 1.14 7.0171 0.95551 0.44469 0.13103 250 35 1.57 18.0068 1.14 7.0171 0.90826 0.45108 0.13103 Obs logfevht age2 age3 logage baseage2 239 -0.06337 49.240 345.52 1.94835 49.2397 240 -0.06115 63.912 510.94 2.07875 49.2397 241 0.08566 80.692 724.85 2.19532 49.2397 242 -0.03125 100.741 1011.14 2.30628 49.2397 243 0.09799 122.707 1359.26 2.40490 49.2397 244 0.30319 146.110 1766.12 2.49218 49.2397 245 0.34210 170.624 2228.74 2.56973 49.2397 246 0.50176 200.356 2835.97 2.65005 49.2397 247 0.44320 227.325 3427.45 2.71319 49.2397 248 0.52609 260.751 4210.56 2.78178 49.2397 249 0.51082 289.350 4921.94 2.83382 49.2397 250 0.45718 324.245 5838.61 2.89075 49.2397
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Model 1 considered by Fitzmaurice et al.: Linear in age, loght, baseage, logbht 2 Random intercept and slope on age The Mixed Procedure Model Information Data Set WORK.FEV Dependent Variable logfev1 Covariance Structure Unstructured Subject Effect id Estimation Method REML Residual Variance Method Profile Fixed Effects SE Method Model-Based Degrees of Freedom Method Containment Class Level Information Class Levels Values id 299 not printed Dimensions Covariance Parameters 4 Columns in X 5 Columns in Z Per Subject 2 Subjects 299 Max Obs Per Subject 12 Number of Observations Number of Observations Read 1993 Number of Observations Used 1993 Number of Observations Not Used 0 Iteration History Iteration Evaluations -2 Res Log Like Criterion 0 1 -2961.45030802 1 2 -4567.61910964 0.00006041 2 1 -4567.88023186 0.00000041 3 1 -4567.88194328 0.00000000 Convergence criteria met.
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Model 1 considered by Fitzmaurice et al.: Linear in age, loght, baseage, logbht 3 Random intercept and slope on age The Mixed Procedure Estimated G Matrix Row Effect id Col1 Col2 1 Intercept 1 0.01221 -0.00043 2 age 1 -0.00043 0.000050 Estimated G Correlation Matrix Row Effect id Col1 Col2 1 Intercept 1 1.0000 -0.5531 2 age 1 -0.5531 1.0000 Estimated V Matrix for id 1 Row Col1 Col2 Col3 Col4 Col5 Col6 Col7 1 0.01213 0.008536 0.008573 0.008609 0.008643 0.008716 0.008748 2 0.008536 0.01226 0.008722 0.008811 0.008895 0.009076 0.009156 3 0.008573 0.008722 0.01250 0.009014 0.009149 0.009440 0.009567 4 0.008609 0.008811 0.009014 0.01284 0.009391 0.009785 0.009957 5 0.008643 0.008895 0.009149 0.009391 0.01325 0.01011 0.01033 6 0.008716 0.009076 0.009440 0.009785 0.01011 0.01445 0.01113 7 0.008748 0.009156 0.009567 0.009957 0.01033 0.01113 0.01510 Estimated V Correlation Matrix for id 35 Row Col1 Col2 Col3 Col4 Col5 Col6 Col7 Col8 Col9 1 1.0000 0.7001 0.6939 0.6843 0.6719 0.6574 0.6414 0.6216 0.6037 2 0.7001 1.0000 0.6985 0.6930 0.6847 0.6740 0.6615 0.6455 0.6305 3 0.6939 0.6985 1.0000 0.6992 0.6950 0.6882 0.6793 0.6671 0.6552 4 0.6843 0.6930 0.6992 1.0000 0.7028 0.7002
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This note was uploaded on 11/13/2011 for the course STAT 8630 taught by Professor Staff during the Fall '08 term at UGA.

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FEVExample1 - Subject-specific observed profiles of...

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