Week #16 – Weighted Kappa

Weighted kappa is a measure of agreement for Categorical data . It is a generalization of the Kappa statistic to situations in which the categories are not equal in some respect - that is, weighted by an objective or subjective function.

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Historical Spotlight: Eugenics – journey to the dark side at the dawn of statistics

April 27 marks the 80th anniversary of the death of Karl Pearson, who contributed to statistics the correlation coefficient, principal components, the (increasingly-maligned) p-value, and much more. Pearson was one of a trio of founding fathers of modern statistics, the others being Francis Galton and…

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