Tutorials

Learn to visualize your data like an expert with these practical how-tos for presentation, analysis, and understanding.

How to Make a Heatmap – a Quick and Easy Solution

A heatmap is a literal way of visualizing a table of numbers, where you substitute the numbers with colored cells. This is a quick way to make one in R.

How to Make an Interactive Area Graph with Flare

You’ve seen the NameExplorer from the Baby Name Wizard by Martin Wattenberg. It’s an interactive area chart that lets you explore the popularity of names over time. Search by clicking…

How to Make a US County Thematic Map Using Free Tools

There are about a million ways to make a choropleth map. The problem is that a lot of solutions require expensive software or have a high learning curve. It doesn't have to be that way.

How to Make a Graph in Adobe Illustrator

You can use the vector-based software normally reserved for designers and artists to make and edit charts.

How to Make Your Own Twitter Bot – Python Implementation

Following up on my post last week about using Twitter to track eating and weight, some of you voiced some interest in creating your own Twitter bot. This post covers…

Grabbing Weather Underground Data with BeautifulSoup

Weather Underground is a useful site and a fun place for weather enthusiasts. WU has a bunch of weather data (current and historical) from established weather stations, like at airports,…