Information Matrix Filter Information matrix Toggle filters Posts feed Search Keywords Filter by tags Publication date Min Max Filter by year - All -20242023202220212020201920182017201620152014201320122011201020092008 Correlation complicationsA basic result in probability theory is that the variance of the sum of two random variables is not necessarily the same as the sum of their variances.25 November 2012 Written by: Stephen RichardsTags: Filter information matrix by tag: cause of death, Filter information matrix by tag: correlation, Filter information matrix by tag: covariance