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5 unusual facts about Spearman's rank correlation coefficient


2006 FIFA World Cup seeding

Significant differences between this ranking of the teams and the official FIFA rankings at the time of the draw can be seen for Czech Republic, Germany and the Korean Republic (ρ=0.87).

Automated essay scoring

Among them are percent agreement, Scott's π, Cohen's κ, Krippendorf's α, Pearson's correlation coefficient r, Spearman's rank correlation coefficient ρ, and Lin's concordance correlation coefficient.

Charles Spearman

In statistics, Spearman developed rank correlation (1904), a non-parametric version of the conventional Pearson correlation, as well as both the widely used correction for attenuation (1907), and the earliest version of a 'factor analysis (Lovie & Lovie, 1996, p. 81)

Norman Cliff

On the one hand this included extensions to the established ordinal methods for correlating data (i.e. Kendall's tau, Spearman's rank correlation coefficient).

Spearman's rank correlation coefficient

Chebyshev's sum inequality, rearrangement inequality (These two articles may shed light on the mathematical properties of Spearman's ρ.)


Charles Spearman

A record of Spearman's views on g (and also those of Godfrey Thomson and Edward Thorndike) was made in the course of the Carnegie-sponsored International Examinations Inquiry Meetings.

Pat Spearman

Spearman was first elected to public office in May 1991, when she won a seat on the San Marcos Consolidated Independent School District in Texas.

In 2012, Spearman challenged two-term incumbent senator John Lee, a conservative Democrat who had attracted the ire of several traditional Democratic constituencies, including environmental groups and gay rights activists.

Spearman, Texas

Schools in Spearman ISD, include Gus Birdwell Elementary School, Spearman Junior High School and Spearman High School.

Rex Linn, the actor best known for his role as Frank Tripp on CSI: Miami, lived in the area and attended school in Spearman.


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