[PDF] variance totale = variance intra + variance inter

What does total variance mean in a factor analysis?

Total Variance Explained. The Total column gives the eigenvalue, or amount of variance in the original variables accounted for by each component. The % of Variance column gives the ratio, expressed as a percentage, of the variance accounted for by each component to the total variance in all of the variables. How do you interpret factor analysis?

What is intra-class variance?

The intra-class variance is defined as the weighted sum of the variances of the two classes: It can be seen that the essence of Otsu’s algorithm is still a global threshold, which can be said to be very unsuitable for pictures with uneven brightness.

What is the interrelationship of variances?

Interrelationship of Variances With regard to variance analysis for all production costs (direct material, direct labor, and overhead), it is important to note that each variance does not represent a separate and distinct problem to be handled in isolation. All variances in one way or another are interdependent.

How is total variance in student performance expressed?

Total variance in student performance is expressed as a percen tage of the average variance in student performance across OECD countries. The sum of the between- and within-school va riance components, as an estimate from a sample, does not necessarily add up to the total. The table shows considerable differences between countries.