tsfresh

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extract_relevant_features hangs on specific data

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[session_3000.csv](https://github.com/blue-yonder/tsfresh/files/14324899/session_3000.csv) **The problem**: Using extract_relevant_features on a financial data set I've hit a roadblock where the test_features_significance seems to fail to ever return. Tested and repeatable on multiple systems and...

bulldog5046

Feature calculator return type documentation

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This isn't a bug, but more of a documentation issue. According to the [docs](https://tsfresh.readthedocs.io/en/latest/api/tsfresh.feature_extraction.html), as well as in the docstrings for the functions in `tsfresh.feature_extraction.feature_calculators`, the documented return type for...

dilwong

Problem with the function extract_features

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**The problem**: I have a script that run everyday and in this script i use the tsfresh function extract_features(), but sometimes the script remain stucked in the function with the...

AlessioBolpagni98

[BUG] Python version has no upper bound

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**The problem**: Could you pls add an upper bound to your config? https://github.com/blue-yonder/tsfresh/blob/795711b481e53f25da82131a60ccbf14ff78481b/setup.cfg#L26 Otherwise users might run into unexpected exceptions when having a newer Python version. E.g. as happened in...

aiwalter

Update tsfresh.feature_extraction.feature_calculators.skewness to make it consistent with the design principle of not ignoring nan

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The current implementation of `tsfresh.feature_extraction.feature_calculators.skewness` utilizes a function from pandas that ignores `nan` by default, which is not consistent with the performance of other functions and the design principle. This...

yitao-yu

Feature/calculate fft energy blocks

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This feature allows the computation of the frequency energy content of the signal, distributed over n frequency bins. This simplifies the detection of dominant frequencies for different process stages. This...

anates

TypeError: acf() got an unexpected keyword argument 'unbiased'

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I faced this issue when I tried to use extract_features function from this package.This seemed to be an old, but I still could not figure out the solution for this...

YWU99u

added jit decorator to map_reduce method

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ItsJustIkenna

During the feature extraction process, how could I set the param from a subset of another columns.

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For example, I want to use "number_crossing_m" to a column named "x1". So I have to set a parameter "m" to it. However, for the param "m", I want to...

lk1983823

RayDistributor for using Ray to distribute the calculations in tsfresh

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Ray is getting popular for building distributed applications and easy to fit into tsfresh by a `RayDistributor`. # Distributed tsfresh on Ray This repo involves a new `RayDistributor` for tsfresh...

TheaperDeng