Correlation Ratio - Pearson V. Fisher

Pearson V. Fisher

The correlation ratio was introduced by Karl Pearson as part of analysis of variance. Ronald Fisher commented:

As a descriptive statistic the utility of the correlation ratio is extremely limited. It will be noticed that the number of degrees of freedom in the numerator of depends on the number of the arrays

to which Egon Pearson (Karl's son) responded by saying

Again, a long-established method such as the use of the correlation ratio is passed over in a few words without adequate description, which is perhaps hardly fair to the student who is given no opportunity of judging its scope for himself.

This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. Please improve this article by introducing more precise citations.

Read more about this topic:  Correlation Ratio

Famous quotes containing the words pearson and/or fisher:

    ...we shall never be the people we should and might be until we have learned that it is the first and most important business of a nation to protect its women, not by any puling sentimentality of queenship, chivalry or angelhood, but by making it possible for them to earn an honest living.
    —Katharine Pearson Woods (1853–1923)

    Children and old people and the parents in between should be able to live together, in order to learn how to die with grace, together. And I fear that this is purely utopian fantasy ...
    —M.F.K. Fisher (1908–1992)