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.
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Famous quotes containing the words pearson and/or fisher:
“Misquotation is, in fact, the pride and privilege of the learned. A widely-read man never quotes accurately, for the rather obvious reason that he has read too widely.”
—Hesketh Pearson (1887–1964)
“Our family talked a lot at table, and only two subjects were taboo: politics and personal troubles. The first was sternly avoided because Father ran a nonpartisan daily in a small town, with some success, and did not wish to express his own opinions in public, even when in private.”
—M.F.K. Fisher (1908–1992)