Raspberry Pi for Python Programmers Cookbook - Second Edition

Logging and plotting data

Now that we are able to sample and collect a lot of data, it is important that we can capture and analyze it. We will make use of a Python library called matplotlib, which includes lots of useful tools for manipulating, graphing, and analyzing data. We will use pyplot (which is a part of matplotlib) to produce graphs of our captured data. For more information on pyplot, go to http://matplotlib.org/users/pyplot_tutorial.html.

Getting ready

To use pyplot, we will need to install matplotlib.

Note

Due to a problem with the matplotlib installer, performing the installation using pip-3.2 doesn't always work correctly. The method that follows will overcome this problem by performing all the steps PIP does manually; however, this ...