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