help smecriticalvalue
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Title
smecriticalvalue --
Computes critical values for tests of simple main effects and related tests.
Syntax
smecriticalvalue, number(#) df1(#) df2(#) dfmodel(#) [alpha(#)]
options description
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Required
number(#) Number of test performed
df1(#) Numerator df for each test
df2(#) Denominator df for each test
dfmodel(#) Total df for full model
Optional
alpha(#) Alpha level
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Description
smecriticalvalue computes critical values for tests of simple main effects and related tests.
Examples
Consider a 3x4 factorial design with 5 obs per cell; the total df for the 3x4 model is 11; you run 4 tests of simple main effects,
each with 2 and 48 df.
. smecriticalvalue, num(4) df1(2) df2(48) dfm(11)
Reference
(1995) Kirk, R.E. Experimental design: Procedures for the behavioral sciences (3rd ed). Pacific Grove, CA: Brooks/Cole
Author
Philip B. Ender
UCLA Statistical Consulting Group
ender@ucla.edu
Statistical Methods and Data Analytics
