RMASS

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Randomization
Attrition
Random-effects
Correlation

Type of randomization

Type of randomization Subject-level Center-level

Number of timepoints (2 - 20)

Number of centers (>= 1)

Proportion of Subjects in Group 1 (0.1-0.9; 0.5 means equal N/grp)

Type of test

Type of test 1-sided 2-sided

Alpha level

Power level

Attrition

Account for attrition over time

Attrition rates between timepoints

1-2:
2-3:
3-4:
4-5:
5-6:
6-7:
7-8:
8-9:
9-10:
10-11:
11-12:
12-13:
13-14:
14-15:
15-16:
16-17:
17-18:
18-19:
19-20:

Type of mean

Mean difference at last timepoint

Treatment by time interaction

Computed effect size at last timepoint: 0.844

Person-level covariance matrix

1,1

2,1

2,2

Center-level covariance matrix

1,1

2,1

2,2

Design matrix column 2

1,2

2,2

3,2

4,2

5,2

6,2

7,2

8,2

9,2

10,2

11,2

12,2

13,2

14,2

15,2

16,2

17,2

18,2

19,2

20,2

Correlation structure of errors

Correlation structure of errors all correlations equal stationary AR1 toeplitz (banded) matrix

Error variance:

Correlation terms

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