All Tools

Independent and paired t-tests with effect sizes and confidence intervals.

Test of independence and goodness-of-fit for categorical data.

Compare means across multiple groups with post-hoc tests.

Factorial design analysis with interaction effects.

Pearson, Spearman, and Kendall correlations with heatmap.

OLS regression with diagnostics, VIF, and residual plots.

Binary outcome modeling with odds ratios and ROC.

Shapiro-Wilk, KS test, Q-Q plots, histograms.

Inter-rater reliability: Cohen's Kappa, ICC.

Hierarchical/multilevel models for clustered data.

Kaplan-Meier curves and Cox proportional hazards.

Match treated/control units. Balance diagnostics, ATT.

Sample size for estimating a single proportion.

Sample size for comparing two proportions.

Sample size for comparing two independent means.

Sample size for estimating a single mean.

Sample size for paired/repeated measures design.

Sample size for prospective cohort studies.

Sample size for detecting a correlation coefficient.

Sample size for survival/time-to-event studies.

Calculate and interpret odds ratios from 2×2 tables.

Risk ratio for cohort studies with CIs.

Absolute risk difference and NNT.

Population and exposure attributable fractions.

Attack rates for outbreak investigation.

Multiple rate calculations for outbreaks.

Interactive epi curves with case classification.

Time-series forecasting for case counts.

Critical vaccination threshold calculator.

Comprehensive outbreak investigation suite.

Healthcare-associated infections dashboard.

Moving Epidemic Method for seasonal baselines.

Geographic disease mapping and visualization.

Cumulative sum charts for aberration detection.

Statistical process control charts.

Effective reproduction number estimation.

Transmission chain visualization.

Timeline visualization for outbreak events.

Incidence rates with person-time denominators.

VE estimation: screening, test-negative, cohort.

Adverse events following immunization.

Observed vs. expected mortality analysis.

WHO STEPwise NCD risk factor surveillance.

30×7 cluster sampling methodology.

WHO child growth z-scores and percentiles.

Epidemiologic calculator (Epi Info-style).

Epidemiological week calculations and conversions.

WHO/PAHO integrated surveillance analysis.

ICER, CE plane, acceptability curves.

Quality-adjusted and disability-adjusted life years.

Financial impact of new interventions.

Causal effect estimation with DiD design.

IV estimation with weak instrument diagnostics.

Sharp and fuzzy RDD designs.

WHO framework cost-effectiveness analysis.

Scale reliability assessment.

Discover latent factors in survey data.

Test hypothesized factor structures.

Diverging bar charts for Likert scales.

Complex survey design analysis.

Demographic and Health Survey tools.

Indirect effects with bootstrapped CIs.

Between-within subjects ANOVA designs.

Sample size planning for social science studies.

Design surveys, collect responses, and export data to Analysis Hub.

Choropleth, point, and hotspot maps with join diagnostics and sharing.