In statistics and decision theory, a frequently used loss function is the 0-1 loss function
where is the indicator notation.
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Famous quotes containing the words loss and/or function:
“The loss of enemies does not compensate for the loss of friends.”
—Abraham Lincoln (1809–1865)
“The intension of a proposition comprises whatever the proposition entails: and it includes nothing else.... The connotation or intension of a function comprises all that attribution of this predicate to anything entails as also predicable to that thing.”
—Clarence Lewis (1883–1964)