Results: matpow2.sas

Power analysis for fixed-effects factorial ANOVA: Matrix approach

Specify a beta vector instead of just an effect

The IML Procedure

alpha

  alpha
Significance level: 0.05

wantpow

  wantpow
Desired power: 0.8

f

  f
Relative sample sizes: 0.1666667
  0.1666667
  0.1666667
  0.1666667
  0.1666667
  0.1666667

_LIT1009

Contrast matrix

C

C
1 -1 -1 1 0 0
0 0 1 -1 -1 1

beta

  beta
Beta matrix (in SD units): 0
  0.25
  0
  0.25
  0
  -0.25

eff

  eff
Effect (h) matrix in SD units: 0
  -0.5

_LIT1012

Checking input ...

_LIT1026

Input appears to be okay.

effsize

  effsize
Effect size = 0.0138889

n

  n
Required sample size is 697