# Eta Squared Calculator

ANOVA is a statistical collection used to examine the variations between the means of two different groups. An effect size index in ANOVA (Analysis of Variance) is eta squared(η2). The ratio of the variance of an effect to its total varaince is called as Eta Squared. This calculator allows you to find the sum of squares, Mean squares and F (between, within, total) and find eta squared based on it.

ANOVA is a statistical collection used to examine the variations between the means of two different groups. An effect size index in ANOVA (Analysis of Variance) is eta squared(η2). The ratio of the variance of an effect to its total varaince is called as Eta Squared. This calculator allows you to find the sum of squares, Mean squares and F (between, within, total) and find eta squared based on it.

Code to add this calci to your website  #### Formula:

Sums of Squares Formula Mean Squares Formula F Formula Eta Square η2 = SSeffect / SStotal (General Form) η21 = SSbetween / SStotal η22 = SSwithin / SStotal Sum of η2 = η21 + η22 Where, η21, η22 = Eta Square Values SS = Sum of Squares SSeffect = Sum of Square's Effect SStotal = Sum of Square's Total df = Degrees of Freedom MS = Mean Squares F = F - Ratio Test

### Example

Number of Rows is 2 , Number of columns is 2.

Consider the values of matrix
2   4
3   5

Between = 4
Within = 1
Total = 5

Between = 1
Within = 2
Total = 3

Between = 4
Within = 0.5

F is 8.

η2 = 1