Information about the student and the project. Contributed by Malcolm Hess Malcolm attended the pioneer class of the NYCdata Science Academy bootcamp with instructor Vivian Zhang.

This post uses animated choropleths to visualize violent crime rates in different US States across 5 decades (1961-2010). Data are retrieved from Quandl. Animation of rCharts and googleVis based choropleths is done in the shiny server environment...

I’m playing blog ping-pong with John Kruschke’s Doing Bayesian Data Analysis blog as he was partly inspired by my silly post on Bayesian mascots when writing a nice piece on Icons for the essence of Bayesian and frequentist data analysis. That piece, in turn, inspired me resulting in the following wobbly backhand. The confidence interval...

You’ve probably heard about the t distribution. One good use for this distribution is as an alternative to the normal distribution that is more robust against outliers. But where does the t distribution come from? One intuitive characterization of the t is as a mixture of normal distributions. More specifically, as a mixture of an infinite number of...

Just a short post, to share some codes used to generate animated graphs, with R. Assume that we would like to illustrate the law of large number, and the convergence of the average value from binomial sample. We can generate samples using > n=200 > k=1000 > set.seed(1) > X=matrix(sample(0:1,size=n*k,replace=TRUE),n,k) Each row will be a trajectory of heads and...

The TimingManager library is a tool written in JavaScript used to apply animations in a web browser. It is not concerned with creation or modification of animation timing information, and delegates those tasks to R via the animaker package. Primarily … Continue reading →