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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width" />
<link rel="canonical" href="https://statsim.com/">
<link rel="icon" type="image/png" href="favicon-32x32.png" sizes="32x32" />
<link rel="icon" type="image/png" href="favicon-16x16.png" sizes="16x16" />
<link rel="stylesheet" href="css/main.css" />
<link href="https://fonts.googleapis.com/css?family=Lato:300,400,700,900" rel="stylesheet">
<title>StatSim - Statistical Simulations & Bayesian Inference</title>
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-7770107-2"></script>
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gtag('js', new Date());
gtag('config', 'UA-7770107-2');
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</head>
<body>
<header class="site-header">
<div class="wrapper">
<div class="header-content">
<img class="logo" alt="StatSim" src="images/logo.png"/>
<div class="links">
<a href="#apps" class="link">Apps</a>
<a href="/docs" class="link">Docs</a>
<a href="/models" class="link">Models</a>
<div class="social">
<a href="https://twitter.com/statsimcom" class="icon"><img src="images/twitter.svg"/></a>
<a href="https://www.facebook.com/statsim" class="icon"><img src="images/facebook.svg"/></a>
<a href="https://github.com/statsim" class="icon"><img src="images/github.svg"/></a>
</div>
</div>
<h1>Statistical Simulation and Inference in the Browser</h1>
<p><strong>StatSim</strong> is a free probabilistic simulation web app. Various simulation methods and over 20 built-in distributions make it possible to create complex statistical models and perform Bayesian inference in the browser. </p>
<a href="/app" class="cta cta-web">Open web app</a>
<a href="https://github.com/statsim/app/releases" class="cta cta-download">Download</a>
</div>
<img class="phone" src="images/phone.png"/>
</div>
<div id="particles-js"></div>
</header>
<section>
<div class="wrapper">
<h2>Features</h2>
<div class="features">
<div class="feature">
<img src="images/feature-det.png">
<h3>Visual Programming</h3>
<p>Create and share programs directly in your browser, ranging from simple calculators to complex environmental models.</p>
</div>
<div class="feature">
<img src="images/feature-prob.png">
<h3>Stochastic Modeling</h3>
<p>Utilize 24 probability distributions to construct diverse stochastic models. Analyze results using histograms and summary statistics.</p>
</div>
<div class="feature">
<img src="images/feature-bayes.png">
<h3>Bayesian Inference</h3>
<p>Estimate posterior distributions of model parameters using Variational Inference and Markov Chain Monte Carlo methods.</p>
</div>
<div class="feature">
<img src="images/feature-constraint.png">
<h3>Constraint Solving</h3>
<p>Develop constraint-based models and estimate or optimize unknown parameters using a built-in SMT solver.</p>
</div>
</div>
</div>
</section>
<section style="background: #F2F2F2">
<div class="wrapper">
<div class="screenshot screenshot-editor">
<img src="images/editor.jpg">
<div class="description">
<h1>Create new and explore existing models</h1>
<p>Build models in the <b>editor</b> mode using different types of blocks, try multiple simulation methods (Rejection Sampling, MCMC, HMC and other)</p>
</div>
</div>
<div class="screenshot screenshot-editor">
<div class="description" style="justify-content: right; text-align: right">
<h1>Keep only what matters</h1>
<p>Use and share your models in <b>preview</b> mode to hide inner logic, simulation details and keep only what matters - input and output</p>
</div>
<img src="images/preview.jpg">
</div>
<div class="screenshot screenshot-editor">
<img src="images/results.jpg">
<div class="description">
<h1>Analyze results</h1>
<p>Various charts and descriptive statistics make it easier to extract insights from the data and samples</p>
</div>
</div>
<div class="server">
<h1>Compile</h1>
<p>Compile your models into system binaries using our servers to use them as regular programs and get additional stats and speed improvements</p>
</div>
</div>
</section>
<section>
<div class="wrapper">
<div class="examples">
<h2>Examples</h2>
<ul>
<li><a href="https://statsim.com/app/?m=predatorprey">Predator-Prey model</a> (Lotka–Volterra equations) </li>
<li><a href="https://statsim.com/app/?m=linreg">Linear Regression model</a> (Simple linear regression <i>ax + b</i>) </li>
<li><a href="https://statsim.com/app/?m=autoreg">Auto-regression model</a></li>
</ul>
<a class="more" href="https://github.com/statsim/models">More examples</a>
</div>
</div>
</section>
<section class="footer" id="apps">
<div class="wrapper">
<div class="apps">
<div class="app">
<a class="title" href="https://statsim.com/app"><h4>StatSim</h4></a>
<p>Design probabilistic models and infer hidden variables</p>
<a class="btn" href="https://statsim.com/app">Launch</a>
<a class="btn" href="https://statsim.com/models">Models</a>
<a class="btn" href="https://statsim.com/docs/category/statsim">Docs</a>
</div>
<div class="app">
<a class="title" href="https://analyze.li/"><h4>StatSim <span class="accent">Analyze</span></h4></a>
<p>Analyze and process data using online algorithms</p>
<a class="btn" href="https://analyze.li/">Launch</a>
</div>
<div class="app">
<a class="title" href="https://statsim.com/fit/"><h4>StatSim <span class="accent">Fit</span></h4></a>
<p>Fit machine learning models and make predictions</p>
<a class="btn" href="https://statsim.com/fit/">Launch</a>
<a class="btn" href="https://statsim.com/docs/category/fit">Docs</a>
</div>
<div class="app">
<a class="title" href="https://statsim.com/forecast/"><h4>StatSim <span class="accent">Forecast</span></h4></a>
<p>Forecast univariate timeseries with the ARIMA model</p>
<a class="btn" href="https://statsim.com/forecast/">Launch</a>
</div>
<div class="app">
<a class="title" href="https://statsim.com/gen/"><h4>StatSim <span class="accent">Gen</span></h4></a>
<p>Generate synthetic data for benchmarking and exploration</p>
<a class="btn" href="https://statsim.com/gen/">Launch</a>
</div>
<div class="app">
<a class="title" href="https://statsim.com/profile/"><h4>StatSim <span class="accent">Profile</span></h4></a>
<p>Profile datasets using streaming/online statistical algorithms</p>
<a class="btn" href="https://statsim.com/profile/">Launch</a>
<a class="btn" href="https://statsim.com/docs/category/profile">Docs</a>
</div>
<div class="app">
<a class="title" href="https://statsim.com/preview/"><h4>StatSim <span class="accent">Preview</span></h4></a>
<p>Preview big files in the browser loading them piece by piece</p>
<a class="btn" href="https://statsim.com/preview/">Launch</a>
<a class="btn" href="https://statsim.com/docs/category/preview">Docs</a>
</div>
<div class="app">
<a class="title" href="https://statsim.com/select/"><h4>StatSim <span class="accent">Select</span></h4></a>
<p>Select all-relevant features with the Boruta algorithm</p>
<a class="btn" href="https://statsim.com/select/">Launch</a>
</div>
<div class="app">
<a class="title" href="https://statsim.com/solve/"><h4>StatSim <span class="accent">Solve</span></h4></a>
<p>Solve linear programming problems without writing code</p>
<a class="btn" href="https://statsim.com/solve/">Launch</a>
</div>
<div class="app">
<a class="title" href="https://statsim.com/vis/"><h4>StatSim <span class="accent">Vis</span></h4></a>
<p>Visualize and explore high-dimensional data in latent space</p>
<a class="btn" href="https://statsim.com/vis/">Launch</a>
</div>
</div>
<div>
<p class="copy">© <span id="year"></span> StatSim. Statistical Simulation and Bayesian Inference in the Browser.</p>
</div>
</div>
</section>
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