Simple exponential smoothing calculator
Inspect prior-level forecasts and updated levels with a stated initialization and smoothing factor.
Open calculatorStatistics & probability
Summarize data, explore chance and understand uncertainty.
Showing 25–30 of 30 tools
Forecast error MAE RMSE and percentage calculator
Evaluate aligned actual and predicted values with explicit bias and zero-denominator conventions.
Open calculatorSpearman rank correlation with ties calculator
Preserve pairing and use average tied ranks to describe monotonic association.
Open calculatorArithmetic geometric and harmonic mean calculator
Compare three equal-weight averages of positive data and understand their different meanings.
Open calculatorBinary confusion matrix precision recall and F1 calculator
Evaluate four fixed classification counts without hiding undefined metrics or changing the positive class.
Open calculatorDiscrete Shannon entropy calculator
Normalize category weights and compare uncertainty with an equal-category reference.
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