JSTOR Daily

Optimality of the Sample Variance-Covariance Matrix in Repeated Measurement Designs

This is a preview. Log in through your library . Abstract This paper adds motivations for the use of the sample variance-covariance matrix estimator $\hat{\Sigma}$ in repeated measurement designs by: ...
JSTOR Daily

Matrix Methods in Components of Variance and Covariance Analysis

The Annals of Mathematical Statistics, Vol. 27, No. 3 (Sep., 1956), pp. 737-748 (12 pages) The sampling variance of the least squares estimates of the components of variance in an unbalanced ...
Nature

Variance component model to account for sample structure in genome-wide association studies

Although genome-wide association studies (GWASs) have identified numerous loci associated with complex traits, imprecise modeling of the genetic relatedness within study samples may cause substantial ...
Investopedia

What Is Variance in Statistics? Definition, Formula, and Example

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
Investopedia

Standard Deviation vs. Variance: What’s the Difference?

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...