NormalData

class zvt.contract.normal_data.NormalData(df, category_field='entity_id', time_field='timestamp', fill_index: bool = False)

Bases: object

__init__(df, category_field='entity_id', time_field='timestamp', fill_index: bool = False) → None

normalize()

normalize data_df to:

                            col1    col2    col3
entity_id    timestamp