| Unstructured covariance for strength data | 
| Exercise Therapy Trial | 
| The Mixed Procedure | 
| Model Information | |
| Data Set | WORK.EXERCISE | 
| Dependent Variable | y | 
| Covariance Structure | Unstructured | 
| Subject Effect | id | 
| Estimation Method | REML | 
| Residual Variance Method | None | 
| Fixed Effects SE Method | Model-Based | 
| Degrees of Freedom Method | Between-Within | 
| Class Level Information | ||
| Class | Levels | Values | 
| id | 37 | not printed | 
| group | 2 | 1 2 | 
| time | 5 | 0 4 6 8 12 | 
| Dimensions | |
| Covariance Parameters | 15 | 
| Columns in X | 18 | 
| Columns in Z | 0 | 
| Subjects | 37 | 
| Max Obs Per Subject | 5 | 
| Observations Used | 173 | 
| Observations Not Used | 12 | 
| Total Observations | 185 | 
| Iteration History | |||
| Iteration | Evaluations | -2 Res Log Like | Criterion | 
| 0 | 1 | 893.47252907 | 
 | 
| 1 | 2 | 684.37680328 | 0.15910952 | 
| 2 | 1 | 644.19417841 | 0.10104094 | 
| 3 | 1 | 621.35113262 | 0.06127163 | 
| 4 | 1 | 608.44906107 | 0.03466758 | 
| 5 | 1 | 601.52618550 | 0.01638292 | 
| 6 | 1 | 598.41394837 | 0.00526479 | 
| 7 | 1 | 597.47348055 | 0.00078993 | 
| 8 | 1 | 597.34370981 | 0.00002502 | 
| 9 | 1 | 597.33990007 | 0.00000003 | 
| 10 | 1 | 597.33989538 | 0.00000000 | 
| Convergence criteria met. | 
| Estimated R Matrix for id 1 | |||||
| Row | Col1 | Col2 | Col3 | Col4 | Col5 | 
| 1 | 9.6683 | 10.1752 | 8.9741 | 9.8125 | 9.4070 | 
| 2 | 10.1752 | 12.5501 | 11.0912 | 12.5801 | 11.9284 | 
| 3 | 8.9741 | 11.0912 | 10.6417 | 11.6857 | 11.1007 | 
| 4 | 9.8125 | 12.5801 | 11.6857 | 13.9905 | 13.1213 | 
| 5 | 9.4070 | 11.9284 | 11.1007 | 13.1213 | 13.9444 | 
| Estimated R Correlation Matrix for id 1 | |||||
| Row | Col1 | Col2 | Col3 | Col4 | Col5 | 
| 1 | 1.0000 | 0.9237 | 0.8847 | 0.8437 | 0.8102 | 
| 2 | 0.9237 | 1.0000 | 0.9597 | 0.9494 | 0.9017 | 
| 3 | 0.8847 | 0.9597 | 1.0000 | 0.9577 | 0.9113 | 
| 4 | 0.8437 | 0.9494 | 0.9577 | 1.0000 | 0.9394 | 
| 5 | 0.8102 | 0.9017 | 0.9113 | 0.9394 | 1.0000 | 
| Covariance Parameter Estimates | ||
| Cov Parm | Subject | Estimate | 
| UN(1,1) | id | 9.6683 | 
| UN(2,1) | id | 10.1752 | 
| UN(2,2) | id | 12.5501 | 
| UN(3,1) | id | 8.9741 | 
| UN(3,2) | id | 11.0912 | 
| UN(3,3) | id | 10.6417 | 
| UN(4,1) | id | 9.8125 | 
| UN(4,2) | id | 12.5801 | 
| UN(4,3) | id | 11.6857 | 
| UN(4,4) | id | 13.9905 | 
| UN(5,1) | id | 9.4070 | 
| UN(5,2) | id | 11.9284 | 
| UN(5,3) | id | 11.1007 | 
| UN(5,4) | id | 13.1213 | 
| UN(5,5) | id | 13.9444 | 
| Fit Statistics | |
| -2 Res Log Likelihood | 597.3 | 
| AIC (smaller is better) | 627.3 | 
| AICC (smaller is better) | 630.6 | 
| BIC (smaller is better) | 651.5 | 
| Type 3 Tests of Fixed Effects | ||||||
| Effect | Num DF | Den DF | Chi-Square | F Value | Pr > ChiSq | Pr > F | 
| group | 1 | 35 | 1.60 | 1.60 | 0.2062 | 0.2145 | 
| time | 4 | 35 | 35.53 | 8.88 | <.0001 | <.0001 | 
| group*time | 4 | 35 | 2.16 | 0.54 | 0.7066 | 0.7075 |