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19 votes
6 answers
9k views

Fit a Piecewise Linear Model to Data with Unknown Knots and Number of Segments

What is a robust way to fit piecewise linear but noisy data? I'm measuring a signal, which consists of several almost linear segments. I'd like to atomatically fit several lines to the data to ...
P3trus's user avatar
  • 351
2 votes
2 answers
76 views

Fit Data Samples with a Robust Fit

I have a data from a sensor which the connection model of $x$ and $y$ is known: For instance, in the case above, the model is linear. The issue is how to handle outliers. Specifically when there are ...
Royi's user avatar
  • 19.7k
1 vote
1 answer
42 views

call decimate function from matlab

I tried to call decimate function in Scipy from Matlab but met an error. Can somebody point me in a direction, please? Here is a code of Matlab ...
Jingdong Zhang's user avatar