I have put some more effort into mapview. The current version 0.5.0 has some new features which make the whole experience much more user-friendly. In a nutshell, changes/additions are as follows: mapView() is now also defined for SpatialPixelsDataFrame all Spatial … Continue reading →

In this article, I will demonstrate how to use the apply family of functions in R. They are extremely helpful, as you will see. apply apply can be used to apply a function to a matrix. For example, let’s create a sample dataset: data

When I told my friends that I wanted to give my girlfriend an infographic of us (centered around a sentimental analysis of our texts) as a gift for our first anniversary, most of them told me that was a terrible idea. Yeah… well… CHALLENGE ACCEPTED!! Without further ado, this is …

This post will show how to use Monte Carlo to test for signal intelligence. Although I had rejected this strategy … Continue reading →

A user recently asked me how to add a state outline to a Zip Code map. Consider this map, which shows the percent white of each Zip Code Tabulated Area (ZCTA) in New York and New Jersey: Clearly the ZCTAs in northern New York have the highest concentration of white ...

A combinatorics Le Monde mathematical puzzle: How many distinct integers between 0 and 16 can one pick so that all positive differences are distinct? If k is the number of distinct integers, the number of positive differences is 1+2+…+(k-1) = k(k-1)/2, which cannot exceed 16, meaning k cannot exceed 6. From there, picking 6 integers […]