peakutils.peak.indexes does not allow thres_abs argument
According to the documentation:
peakutils.peak.indexes(y, thres=0.3, min_dist=1, thres_abs=False) Peak detection routine.
Finds the numeric index of the peaks in y by taking its first order difference. By using thres and min_dist parameters, it is possible to reduce the number of detected peaks. y must be signed.
Parameters: y (ndarray (signed)) – 1D amplitude data to search for peaks. thres (float between [0., 1.]) – Normalized threshold. Only the peaks with amplitude higher than the threshold will be detected. min_dist (int) – Minimum distance between each detected peak. The peak with the highest amplitude is preferred to satisfy this constraint. thres_abs (boolean) – If True, the thres value will be interpreted as an absolute value, instead of a normalized threshold.
However, attempting to use this as peakutils.peak.indexes(y, thres=1, min_dist=30, thres_abs=True)
will yield: "indexes() got unexpected keyword argument 'thres_abs'".
Comments (3)
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It's a problem of synchronisation between code and documentation. The latest pip release of the package is old and does not include the
thres_abs
option described in the docs.While we wait for an updated release, you can temporarily install the latest version directly from the repository using
pip install --upgrade git+https://bitbucket.org/lucashnegri/peakutils.git
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repo owner - changed status to resolved
Sent current version to pypi.
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This should be easily fixed by adding an if statement before the normalisation: