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Qu'est-ce (qui) est Chernoff faces - définition

HUMAN-FACE SHAPED DISPLAY OF DATA

Chernoff's faces; Chernoff faces

Chernoff face

Chernoff faces, invented by applied mathematician, statistician and physicist Herman Chernoff in 1973, display multivariate data in the shape of a human face. The individual parts, such as eyes, ears, mouth and nose represent values of the variables by their shape, size, placement and orientation.

https://en.wikipedia.org/wiki/Chernoff_face

Chernoff bound

EXPONENTIALLY DECREASING BOUNDS ON TAIL DISTRIBUTIONS OF SUMS OF INDEPENDENT RANDOM VARIABLES

Chernoff's inequality; Chernoff bounds; Chernoff inequality; Matrix chernoff bound; Bernstein-Chernoff inequality

In probability theory, the Chernoff bound gives exponentially decreasing bounds on tail distributions of sums of independent random variables. Despite being named after Herman Chernoff, the author of the paper it first appeared in, the result is due to Herman Rubin.

https://en.wikipedia.org/wiki/Chernoff_bound

Paul Chernoff

AMERICAN MATHEMATICIAN

Chernoff, Paul

Paul Robert Chernoff (21 June 1942, Philadelphia – 17 January 2017)biographical information from American Men and Women of Science, Thomson Gale 2004 was an American mathematician, specializing in functional analysis and the mathematical foundations of quantum mechanics. He is known for Chernoff's Theorem, a mathematical result in the Feynman path integral formulation of quantum mechanics.

https://en.wikipedia.org/wiki/Paul_Chernoff

Wikipédia

Chernoff face

Chernoff faces, invented by applied mathematician, statistician and physicist Herman Chernoff in 1973, display multivariate data in the shape of a human face. The individual parts, such as eyes, ears, mouth and nose represent values of the variables by their shape, size, placement and orientation. The idea behind using faces is that humans easily recognize faces and notice small changes without difficulty. Chernoff faces handle each variable differently. Because the features of the faces vary in perceived importance, the way in which variables are mapped to the features should be carefully chosen (e.g. eye size and eyebrow-slant have been found to carry significant weight).

https://en.wikipedia.org/wiki/Chernoff face