rapids/src/features/empatica_electrodermal_acti.../cf/main.py

47 lines
2.0 KiB
Python

import pandas as pd
from scipy.stats import entropy
import sys
sys.path.insert(1, '/workspaces/rapids/calculatingfeatures')
from CalculatingFeatures.helper_functions import convert1DEmpaticaToArray, convertInputInto2d, gsrFeatureNames
from CalculatingFeatures.calculate_features import calculateFeatures
pd.set_option('display.max_columns', None)
def extractEDAFeaturesFromIntradayData(eda_intraday_data, features, time_segment, filter_data_by_segment):
eda_intraday_features = pd.DataFrame(columns=["local_segment"] + features)
if not eda_intraday_data.empty:
eda_intraday_data = filter_data_by_segment(eda_intraday_data, time_segment)
if not eda_intraday_data.empty:
eda_intraday_features = pd.DataFrame()
# apply a method from calculate features module
eda_intraday_features = \
eda_intraday_data.groupby('local_segment').apply(\
lambda x: calculateFeatures(convertInputInto2d(x['electrodermal_activity'], x.shape[0]), fs=4, featureNames=features))
eda_intraday_features.reset_index(inplace=True)
return eda_intraday_features
def cf_features(sensor_data_files, time_segment, provider, filter_data_by_segment, *args, **kwargs):
eda_intraday_data = pd.read_csv(sensor_data_files["sensor_data"])
requested_intraday_features = provider["FEATURES"]
# name of the features this function can compute
base_intraday_features_names = gsrFeatureNames
# the subset of requested features this function can compute
intraday_features_to_compute = list(set(requested_intraday_features) & set(base_intraday_features_names))
# extract features from intraday data
eda_intraday_features = extractEDAFeaturesFromIntradayData(eda_intraday_data,
intraday_features_to_compute, time_segment,
filter_data_by_segment)
return eda_intraday_features