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lorey/pandas-nested-parameters.py

Created May 29, 2019 07:59
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Function to flatten hierarchical parameters when training a pandas pipeline
Raw
pandas-nested-parameters.py
def hierarchical_to_flattened_parameters(parameters_dict):
"""
Flatten an hierarchical dict to an sklearn parameter set.
:param parameters_dict: hierarchical dict
:return: flattened dict
"""
return json_normalize(parameters_dict, sep='__').to_dict(orient='records')[0]
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