Fit common probability distributions to process, reliability, or measurement data. Results rank candidate distributions by AIC and show the best-fit curves over a histogram.
Data Input
Fit Results
Histogram with Fitted Curves
Best-Fit Probability Plot
Study Report
Download a complete Distribution Fitting PDF report with best-fit classification, AIC/BIC ranking, Anderson-Darling statistics, selection confidence gauge, histogram, probability plot, engineering interpretation, and method notes.
Export Data & Graphics
Download the ranking table or individual chart images for separate use.
AIC and BIC are useful for comparing candidate fits on the same dataset. Lower values indicate a better balance of fit and model complexity. Anderson-Darling statistics summarize distributional agreement, but final selection should include visual evidence and engineering judgment.
