initial_length_of_data_rows = 1
data_initially_formatted = []
data_after_brushing = []

data_initially_formatted_no_missing_values = []
data_after_brushing_no_missing_values = []

include_missing_values = True

original_data = []
original_columns_not_contributing = []

columns_not_contributing = []

id_data_type__categorical = "string"
id_data_type__numerical = "number"
id_data_type__date = "date"

request_data_list = []