Spearman

Spearman could refer to any of the following:

An ancient combat unit, armed with a spear, and in some cases, a shield.
Spearman is a city in Texas.
Charles Spearman was an English psychologist who invented the Spearman's rank correlation coefficient technique for testing the correlation between data.
Frank Spearman was an American author known for his fiction and non-fiction books on railroads.

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