Flowingdata

Tutorials
Learn to visualize your data like an expert with these practical how-tos for presentation, analysis, and understanding.
Address : <http://flowingdata.com/category/tutorials/>

How to Make Horizon Graphs in R
By Nathan Yau
The relatively new and lesser known time series visualization can be useful if you know what you’re looking at, and they take up a lot less space.
Horizon Graphs in R
Address : <http://flowingdata.com/2015/07/07/how-to-make-horizon-graphs-in-r/>

Guides
Tips and suggestions for working with and designing with data.
Address : <http://flowingdata.com/category/guides/>