DAG Builder
A browser-based causal diagram editor for epidemiologists. Define variables by causal role, draw directed edges, get instant structural validation warnings, and export publication-ready dagitty R code.
Age Standardization Dashboard
Interactive direct and indirect age standardization calculator. Editable age groups, custom rate labels (ASMR, CMR, etc.), and downloadable results as CSV, TXT, or HTML.
EpiTables
Interactive summary measures from a 2×2 contingency table. Covers OR, RR, PR, RD, NNT, AF, PAF, sensitivity, specificity, PPV, NPV, likelihood ratios, McNemar's test, single proportion CIs, and prevalence-adjusted predictive values. Runs entirely in the browser — no R, no server.
BioStat Explorer
Interactive biostatistics tool for education and research. Upload your own data (CSV, Excel, TXT) or use built-in sample datasets. Select variables, choose a model, and get results with auto-generated plain-English interpretations.
EpiModelConcepts
Interactive epidemic modeling concepts for teaching and research. Fit real outbreak data to phenomenological and statistical models, explore R₀, serial interval, doubling time, and differential equations — with three-layer outputs: definition, interpretation, and implication. No R, no installation.
More tools on the way
More epidemiological and biostatistical tools are in development. Stay tuned.