The hat is a caret-shaped symbol commonly placed on peak of variables to provide them one-of-a-kind meaning. The symbol
You are watching: What does the hat mean in statistics
Uses of the cap in math include:
1. To signify a unit vector (e.g.,
2. To signify an estimator, e.g.,
3. As the growth rate that
SEE ALSO: Bar, Caret, Estimator, Macron, Unit Vector
Bringhurst, R. The aspects of Typographic Style, second ed. Suggest Roberts, WA: Hartley and also Marks, 1997.
Jones, R.W. "The structure of straightforward General Equilibrium Models."J. Pol. Econ. 73, 557-572, 1965.
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