Omega-Squared

The Omega-Squared Form performs calculation of OmegaSq, the importance of a Fixed Factor in an Analysis of Variance.

OMEGASQ

Calculation

OmegaSqCalc

Where:

  • SS(Effect) is the Sum of Squares of the effect of interest,
  • df(Effect) is the degrees of freedom of the effect of interest,
  • SS(Total) is the Total Sum of Squares in the ANOVA, and
  • MSE is the Mean-Square Error term.