Pi can be approximated, for large number of simulated points, as the ratio between the number of points inside the circle and the total number of points inside the square.
Explore demographic indicators for all countries published by the UN Population Division in the World Population Prospects 2015.
App to assist state and local air quality agencies in completing their 2015 five-year air monitoring network assessment.
Download the expression and sample data from a Gene Expression Omnibus dataset, select a gene of interest, and perform a survival or differential expression analysis
An interactive visualization of Joseph Heller’s novel Catch-22. Explore locations, character mentions, character co-occurrence and clustering.
Given a set of financial and nutritional constraints, creates a weekly meal plan to minimize cost, calories, fat, sugar, or sodium.
Compare climates from around the world based on NOAA temperature and precipitation data for the past 50 years.
This is a profiler of hackers for people participating at hackathon. The goal is to facilitate teammate discovery.
Interactive lessons in applied statistics: frequency tables, intervals, centrality measures, percentiles, correlation, etc. (in Spanish).
Dashboard to view future projections for reservoir and stream conditions within the Colorado River basin.
Explore relation between parental occupation and student performance in math/reading/science based on PISA 2012 data.
Real estate analytics, prediction modeling and forecasting for over 20,000 U.S. real estate markets.
Make 3D graphs of mathematical functions. Select a function from the list of functions provided, or enter your own function.
Compare different smoothing models in forecasting, namely simple exponential smoothing , linear exponential smoothing and Holt-Winter method
Choose a country and a political terror scale measure (Amnesty International or State Department), and review the trend.
Plot the distribution of English letter frequencies of input text, and optionally show a reference distribution.
Choose an artist, and see plays per day of their most popular songs throughout 2013 on CD 102.5 FM in Columbus, Ohio.
Interactive calculator to illustrate the power of a statistical hypothesis test for a two-sided symmetrical test.
This app implements a simulator for the Central Limit Theorem (CLT) based on the example of the age of euro coins.
Draws random samples from a number of different probability distributions and plots the samples using (almost entirely) base R functions.
Choose an address and a restaurant, and see a Google Map all nearby locations. Includes zoom control.
Demonstrates the dynamics involved in a susceptible, infected, and recovering (SIR) model of flu season.
ggplot2 graphs, mostly from \”Creating More Effective Graphs\” by Naomi Robbins, with visual overview and ability to put graph and code side-by-side
Create projected points and risk levels for players, and see the best two players available at each position, by value over replacement.
Display and predict blue mussel (Mytilus galloprovincialis) spat over-settlement in green-lipped mussel (Perna canaliculus) farms in New Zealand.
Generate data, then plot estimated model, with diagnostics and residuals/predicted values if requested.
Simple way of eliciting a prior distribution, asking about the likelihood of an event under the prior distribution, and then returning an updated probability distribution.
Generates binomial confidence intervals using the Length/Coverage Optimal (LCO) algorithm by Schilling and Doi (2014).
Review English Premier League standings tables and point distributions at any point during any season from 1992-93 to 2013-14.
Explore the economic and geographic impact of shale oil and gas discovery/exploration in the United States.
Thematic maps of healthcare professions by state, using data from the US government Bureau of Labor Statistics database.
The app uses a K-nearest neighbors algorithm to classify heart disease data available at the UCI repository.
Choose a location and see up-to-date crime information on a map, as well as the actual data and trends by crime category.
Create scatter plot of variables, and add linear, quadratic, and loess regression lines to the plot.
Construct long-term historic and projected climate plots for communities in Alaska and western Canada.
Explore how the bias of the coin and the value of your bet and your friend’s payout explain probability.
Link ggplot2 plots to Plotly to create interactive, web-based plots drawn with D3.js and rendered with Shiny.
Dashboard performs sentiment analysis of tweets on some of the main data science hashtags and visualizes results.
View an animated map of crime rates by state over five decades, in both rCharts and googleVis map styles.
A simple web application that will allow you to calculate a sample size to estimate a mean or a proportion.
Explore data about number of cancer cases and deaths for different types of cancers over the years in the US.
Federated SPARQL queries to collect statistical data from different endpoints, generates and stores analysis and visualisations.
Choose a number of observations and a correlation coefficient, and a scatter plot of the simulated variables updates automatically.
Estimate the diffusion (DIA) test breakpoints from a collection of paired minimum inhibitory concentration (MIC) tests and DIA tests.
Predict monthly non-farm payroll numbers based on a distribution collected from tweets with the hashtag #NFPGuesses.
Experiment plotting different types of graphs by simply clicking your way through options, with code generated automatically.
Simulate natural selection of genotypes and alleles over multiple generations, with customizable fitness levels.
A Shiny app in Danish showing how the Danish municipalities and the Danish government uses funds for cultural subsidies.
ODE models of disease dynamics, allows for births and deaths, latent periods, and seasonal fluctuations.
Watch MLB divisional races during any season from 1995-2013. Uses Google Visualization motion tables.
drinkR, estimate your Blood Alcohol Concentration (BAC) over time by entering drinks with time stamps.
Look up snowfall records by ZIP code to see the date of first snowfall each year, and the distribution of those dates.