Approximating time seriesΒΆ

Approximation algorithms try to capture the most important information from time series. They can be seen as simple feature extraction algorithms.

Discrete Fourier Transform

Discrete Fourier Transform

Discrete Fourier Transform
Multiple Coefficient Binning

Multiple Coefficient Binning

Multiple Coefficient Binning
Piecewise Aggregate Approximation

Piecewise Aggregate Approximation

Piecewise Aggregate Approximation
Symbolic Aggregate approXimation

Symbolic Aggregate approXimation

Symbolic Aggregate approXimation