Catalog

Calculate precision-recall curve and AUC-PR with F-beta optimization at configurable beta value.

Calculate ROC curve and AUC from prediction scores and binary labels

Calculate ROC curve and AUC from prediction scores and binary labels. Returns optimal threshold.

Analyze confusion matrix for precision, recall, F1, macro averages and best/worst class identification.

Rank features by Pearson correlation with target or provided importance scores

Rank features by Pearson correlation with target or provided importance scores. Returns relative importance.

Calculate Gini coefficient and Lorenz curve for any value distribution

Calculate Gini coefficient and Lorenz curve for any value distribution. Returns inequality level.

Score class imbalance severity and recommend SMOTE, class weights or undersampling techniques.

Recommend CV strategy (k-fold, LOO, time series split) from dataset size, time series and imbalance flags.

https://orbisapi.com/proxy/data-drift-detector-api-875a53

Score forecast accuracy with MAE, RMSE, MAPE, bias direction and R-squared.

Advise ARIMA p,d,q parameters from ACF, differencing order and variance analysis.

Update probabilities using Bayes' theorem across sequential evidence

Update probabilities using Bayes' theorem across sequential evidence. Returns posterior, Bayes factor and path.

https://orbisapi.com/proxy/chi-squared-test-calculator-api-b64362

Bootstrap confidence intervals for mean, median, std dev, min or max with configurable confidence level.

Run Monte Carlo simulations with uniform, normal or triangular distributions

Run Monte Carlo simulations with uniform, normal or triangular distributions. Returns percentile distribution.

https://orbisapi.com/proxy/time-series-decomposer-api-460131

Calculate Cohen's d, Hedges' g, Glass's delta and Cohen's h from group data or summary statistics.

https://orbisapi.com/proxy/mann-whitney-u-test-api-90dc39

Calculate one-sample, independent (Welch's) or paired t-test with Cohen's d effect size.

https://orbisapi.com/proxy/one-way-anova-calculator-api-112811

Select the right statistical test from data type, groups, normality, sample size and paired status.

https://orbisapi.com/proxy/distribution-network-optimizer-api-50e71b

Calculate spend under management percentage with savings opportunity and procurement maturity level.

Score warehouse pick path efficiency and recommend S-shaped or zone routing to reduce travel time.

Identify packaging cost reduction opportunities: right-sizing, mailer bags, bulk purchasing and dunnage elimination.