tsfresh-ppi 2021.8.29

Add peak-to-peak interval features to tsfresh

tsfresh_ppi

This package provides some peak-to-peak interval (PPI) variability features to augment tsfresh [1]. Currently, tsfresh will find and count peaks using a couple of different methods. However, it does not measure the variability in timing between those peaks.

Installation

Option 1: Clone this repo. Install prereqs from requirements.txt. Then install the cloned directory, e.g. with pip3 install -e [repo path].

Option 2: Install directly from PyPI (tsfresh-ppi).

Usage

from tsfresh import extract_features
from tsfresh_ppi import get_fc_parameters

my_signal = ...  # some pandas DataFrame

# The default way to extract features with tsfresh looks something like this:
features = extract_features(
    my_signal,
    ...
)

# This is how to get all of the default tsfresh features, plus default PPI features:
fc_params_with_ppi = get_fc_parameters()
features = extract_features(
    my_signal,
    default_fc_parameters = fc_params_with_ppi,
    ...
)

References

[1] https://github.com/blue-yonder/tsfresh