O'Reilly logo

Learning NumPy Array by Ivan Idris

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 5. Signal Processing Techniques

We will learn about some signal-processing techniques in this chapter, and we will analyze time-series data with these. As example data, we will use the sunspot data provided by a Belgian scientific institute. We can download this data from several places on the Internet, and it is also provided as sample data by the statsmodels library. There are a number of things we can do with the data, such as:

  • Trying to determine periodic cycles within the data. This can be done, but this is a bit advanced, so we will just get you started.
  • Smoothing the data to filter out noise.
  • Forecasting.

Introducing the Sunspot data

Sunspots are dark spots visible on the Sun's surface. This phenomenon has been studied for many centuries ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required