MANOVA1f {pwr2ppl}

Compute power for a One Factor MANOVA with up to two levels and up to four measures. Takes means, sds, and sample sizes for each group. Alpha is .05 by default, alternative values may be entered by user

Description

Compute power for a One Factor MANOVA with up to two levels and up to four measures. Takes means, sds, and sample sizes for each group. Alpha is .05 by default, alternative values may be entered by user

Usage

MANOVA1f(
  m1.1,
  m2.1,
  m3.1 = NA,
  m4.1 = NA,
  m1.2,
  m2.2,
  m3.2 = NA,
  m4.2 = NA,
  s1.1 = NA,
  s2.1 = NA,
  s3.1 = NA,
  s4.1 = NA,
  s1.2 = NA,
  s2.2 = NA,
  s3.2 = NA,
  s4.2 = NA,
  r1.2_1 = NULL,
  r1.3_1 = NULL,
  r1.4_1 = NULL,
  r2.3_1 = NULL,
  r2.4_1 = NULL,
  r3.4_1 = NULL,
  r1.2_2 = NULL,
  r1.3_2 = NULL,
  r1.4_2 = NULL,
  r2.3_2 = NULL,
  r2.4_2 = NULL,
  r3.4_2 = NULL,
  r = NULL,
  s = NULL,
  n,
  alpha = 0.05
)

Arguments

m1.1

Mean of first DV, 1st level Between Factor

m2.1

Mean of second DV, 1st level Between Factor

m3.1

Mean of third DV, 1st level Between Factor

m4.1

Mean of fourth DV, 1st level Between Factor

m1.2

Mean of first DV, 2nd level Between Factor

m2.2

Mean of second DV, 2nd level Between Factor

m3.2

Mean of third DV, 2nd level Between Factor

m4.2

Mean of fourth DV, 2nd level Between Factor

s1.1

Standard deviation of first DV, 1st level Between Factor

s2.1

Standard deviation of second DV, 1st level Between Factor

s3.1

Standard deviation of third DV, 1st level Between Factor

s4.1

Standard deviation of forth DV, 1st level Between Factor

s1.2

Standard deviation of first DV, 2nd level Between Factor

s2.2

Standard deviation of second DV, 2nd level Between Factor

s3.2

Standard deviation of third DV, 2nd level Between Factor

s4.2

Standard deviation of forth DV, 2nd level Between Factor

r1.2_1

correlation DV 1 and DV 2, 1st level Between

r1.3_1

correlation DV 1 and DV 3, 1st level Between

r1.4_1

correlation DV 1 and DV 4, 1st level Between

r2.3_1

correlation DV 1 and DV 3, 1st level Between

r2.4_1

correlation DV 1 and DV 4, 1st level Between

r3.4_1

correlation DV 1 and DV 4, 1st level Between

r1.2_2

correlation DV 1 and DV 2, 2nd level Between

r1.3_2

correlation DV 1 and DV 3, 2nd level Between

r1.4_2

correlation DV 1 and DV 4, 2nd level Between

r2.3_2

correlation DV 1 and DV 3, 2nd level Between

r2.4_2

correlation DV 1 and DV 4, 2nd level Between

r3.4_2

correlation DV 1 and DV 4, 2nd level Between

r

sets same correlations between DVs on all factor levels (seriously, just use this)

s

sets same standard deviation for factor levels (see comment above)

n

Sample size for first group

alpha

Type I error (default is .05)

Value

Power for the One Factor Within Subjects and One Factor Between ANOVA

Examples

MANOVA1f(n=40,m1.1=0,m2.1=1,m3.1=2.4,m4.1=-0.7,
m1.2=-0.25,m2.2=-2,m3.2=2,m4.2=-1,
s1.1=.4,s2.1=5,s3.1=1.6,s4.1=1.2,
s1.2=.4,s2.2=5,s3.2=1.6,s4.2=1.2,
r1.2_1=.1,r1.3_1=.1,r1.4_1=.1,
r2.3_1=.35,r2.4_1=.45,r3.4_1=.40,
r1.2_2=.1,r1.3_2=.1,r1.4_2=.1,
r2.3_2=.35,r2.4_2=.45,r3.4_2=.40,alpha=.05)
MANOVA1f(n=40,m1.1=0,m2.1=1,m3.1=2.4,m4.1=-0.7,
m1.2=-0.25,m2.2=-2,m3.2=2,m4.2=-1,
s=.4,r=.5,alpha=.05)