Math & Numerical Methods
Statistics & Regression Simulators
A focused Math & Numerical Methods hub for statistics & regression tools, keeping related formulas, assumptions, and engineering checks together.
18 simulators
Adjacent categories
Simulator list
Bayes' Theorem Visualizer — Conditional Probability & Posterior Update
Statistics & Regression
Adjust prior probability, true positive rate, and false positive rate to calculate posterior probability in real time. Intuitively understand probability updating from e…
Binomial Distribution Simulator
Statistics & Regression
Binomial distribution B(n,p) simulator. Vary trials n and probability p to visualize PMF, CDF and Poisson/normal approximations in real time.
Chi-Squared Goodness-of-Fit Test Simulator — Pearson's Test
Statistics & Regression
Chi-squared goodness-of-fit test simulator. Vary the four observed counts O_i to compute chi-squared statistic, df, 5% critical value, and the H_0 decision in real time.
Generalized Extreme Value (GEV) Distribution Simulator
Statistics & Regression
Use the Generalized Extreme Value distribution to compute the \
Huber Regression Robust Simulator
Statistics & Regression
Explore the Huber M-estimator for robust regression. Move the outlier fraction, magnitude and the tuning constant delta to compare OLS and Huber slope bias, asymptotic r…
Hypothesis Test Calculator (z-test & t-test)
Statistics & Regression
Run interactive z-tests and t-tests. Get real-time p-values, see critical regions on a chart, and calculate effect size instantly.
Isotonic Regression Simulator
Statistics & Regression
An interactive tool for monotone nonparametric regression. Adjust sample size, noise level and constraint direction to see PAV (Pool Adjacent Violators) in action, with …
Kaplan-Meier Survival Analysis Simulator
Statistics & Regression
Estimate a survival curve from censored time-to-event data with the Kaplan-Meier method. Adjust the sample size, true median survival and censoring rate to see the chara…
Linear Regression Simulator
Statistics & Regression
Visualize least-squares linear regression interactively. Add data points and see how the regression line updates in real time.
Normal Distribution Calculator & Visualizer
Statistics & Regression
Interactive normal distribution tool. Set μ and σ to visualize PDF/CDF, compute probabilities, Z-scores, and percentiles instantly.
Particle Size Distribution (Rosin-Rammler Analysis)
Statistics & Regression
Analyze particle size with Rosin-Rammler, Log-Normal, or GGS models. Compute d10/d50/d90, cumulative curves, and histograms instantly. Perfect for CAE simulation.
Population Pyramid Simulator — Age-Sex Structure & Demographic Transition
Statistics & Regression
Population pyramid simulator. Adjust fertility rate, life expectancy and migration to visualize age structure changes in real time, with aging and dependency ratio.
Birthday Paradox Probability Calculator
Statistics & Regression
Calculate and animate the probability that at least two people share a birthday in a group of n people. Interactively explore this famous probability problem that dramat…
Probability Distributions Calculator — Normal, Poisson, Binomial, Exponential
Statistics & Regression
Interactive probability distributions calculator. Plot PDF/PMF and CDF curves, compute percentiles, mean, and variance in real time.
Quantile Regression Simulator
Statistics & Regression
Place quantile regression (QR) side by side with ordinary least squares.
Regression Analysis & Curve Fitting
Statistics & Regression
Interactive regression analysis tool: add data points, choose models, and instantly view R², RMSE, fitted equations, and residuals.
Ridge Regression (Tikhonov) Shrinkage Simulator
Statistics & Regression
Change the L2 penalty λ of ridge regression (Tikhonov regularisation) and watch the effective degrees of freedom, coefficient shrinkage, bias-variance decomposition and …
Normal Distribution Simulator
Statistics & Regression
Adjust mean and standard deviation to explore probabilities