The RACI chart or matrix is a table used by project managers to ensure clear communication and smooth workflows. But it may not always work as intended.

This is the demonstration file to accompany the article, How to add visual insight to data by applying conditional formatting to a table or matrix visualization in Microsoft Power BI by Susan Harkins.

Olivier Ledoit, Michael Wolf, Some Hypothesis Tests for the Covariance Matrix When the Dimension Is Large Compared to the Sample Size, The Annals of Statistics, Vol. 30, No. 4 (Aug., 2002), pp.

Optimality of the Sample Variance-Covariance Matrix in Repeated Measurement Designs J. Kleffe and J. Volaufová Sankhyā: The Indian Journal of Statistics, Series A (1961-2002) , pp. 90-99 (10 pages) ...