A lot of programming tasks require you to repeat the same operation multiple times on each of a set of input items. In many programming languages, the most convenient way to accomplish this is to write a for loop. However, most R blogs online suggest to their readers that they...
In Part 1 of this series, we used some web scraping techniques to collect a list of addresses. In Part 2, we geocoded these addresses with MapQuest’s API to find coordinates in latitude and longitude format. Now that we have a set of coordinates, we are ready to build an...
Now that we have generated a list of addresses in Part 1 of this series, we are ready to geocode these addresses–that is, turn the addresses into the latitude and longitude coordinates we will need to map them. The following code contains everything that is necessary to accomplish this task....
I have noticed that a number of websites for shops, social services, and other physical locations will often include a list of addresses on a webpage, but will not include a convenient map that allows you to easily pick the location that is closest to you. This becomes particularly frustrating...
A colleague and I had the opportunity to share some of the lessons we have learned about data visualization with our colleagues at the American Evaluation Association during the 2016 annual conference. This blog post published on the AEA365 blog presents some additional thoughts we had regarding our presentation and...