How does the Anderson Darling Calculator work?

Test statistic based on squared differences weighted more at tails Then: A² = -n - (1/n) × Σ(2i - 1) × [ln(F(Xi)) + ln(1 - F(X(n+1-i)))] Then: More sensitive to tail behavior than KS Then: Critical values depend on distribution tested.

Can you give an example of how to use the Anderson Darling Calculator?

Example: Input Goodness of fit gives a result of AD test.

Is the Anderson Darling 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 Anderson Darling Calculator?

Our Anderson Darling 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

Anderson Darling Calculator

Anderson-Darling Test

Data (comma-separated)

Applies Anderson-Darling test for goodness of fit. More sensitive to tails than KS test.

Symbol	Name	Unit	Description
F	F value	—	Variable used in the calculation
Xi	Xi value	—	Variable used in the calculation
X	X value	—	Variable used in the calculation

Difficulty:advanced

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Did You Know?

AD test more powerful than KS for detecting tail departures; better for extreme value analysis.

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Anderson Darling Calculator

Anderson-Darling Test

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Anderson-Darling Test