How does the Mutual Information Calculator work?

I(X;Y) = H(X) + H(Y) - H(X,Y) Then: I(X;Y) = 0: independent Then: I(X;Y) = H(X): Y completely determines X Then: Symmetric: I(X;Y) = I(Y;X).

Can you give an example of how to use the Mutual Information Calculator?

Example: Input Joint and marginal P gives a result of MI value.

Is the Mutual Information Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Mutual Information Calculator?

Our Mutual Information Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Mathematics

Mutual Information Calculator

Mutual Information

H(X)

H(Y)

H(X,Y)

Calculates mutual information measuring dependence between two variables.

Difficulty:advanced

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Did You Know?

MI detects nonlinear relationships; independent features have MI = 0.

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›Mutual Information

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Mutual Information Calculator

Mutual Information

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