NMisclassifications function

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Warning

This documentation refers to the Classic QDK, which has been replaced by the Modern QDK.

Please see https://aka.ms/qdk.api for the API documentation for the Modern QDK.

Namespace: Microsoft.Quantum.MachineLearning

Package: Microsoft.Quantum.MachineLearning

Given a set of inferred labels and a set of correct labels, returns the number of indices at which each set of labels differ.

function NMisclassifications (proposed : Int[], actual : Int[]) : Int

Input

proposed : Int[]

The labels inferred for a given training or validation set.

actual : Int[]

The true labels for a given training or validation set.

Output : Int

The number of indices idx such that inferredLabels[idx] != actualLabels[idx].

Example

let nMisclassifications = NMisclassifications([1, 1, 0, 0], [0, 1, 1, 0]);
Message($"{nMisclassifications}"); // Will print 2.