MMM.__init__

MMM.__init__(*, date_column=FieldInfo(annotation=NoneType, required=True, description='Column name of the date variable.'), channel_columns=FieldInfo(annotation=NoneType, required=True, description='Column names of the media channel variables.', metadata=[MinLen(min_length=1)]), target_column=FieldInfo(annotation=NoneType, required=False, default='y', description='The name of the target column.'), adstock=FieldInfo(annotation=NoneType, required=True, description='Type of adstock transformation to apply.'), saturation=FieldInfo(annotation=NoneType, required=True, description='The saturation transformation to apply to the channel data.'), time_varying_intercept=False, time_varying_media=False, dims=FieldInfo(annotation=NoneType, required=False, default=None, description='Additional dimensions for the model.'), scaling=FieldInfo(annotation=NoneType, required=False, default=None, description='Scaling configuration for the model.'), model_config=FieldInfo(annotation=NoneType, required=False, default=None, description='Configuration settings for the model.'), sampler_config=FieldInfo(annotation=NoneType, required=False, default=None, description='Configuration settings for the sampler.'), control_columns=None, yearly_seasonality=None, adstock_first=True, dag=FieldInfo(annotation=NoneType, required=False, default=None, description='Optional DAG provided as a string Dot format for causal identification.'), treatment_nodes=FieldInfo(annotation=NoneType, required=False, default=None, description='Column names of the variables of interest to identify causal effects on outcome.'), outcome_node=FieldInfo(annotation=NoneType, required=False, default=None, description='Name of the outcome variable.'), cost_per_unit=FieldInfo(annotation=NoneType, required=False, default=None, description='Cost per unit conversion factors for non-spend channels. Wide-format DataFrame where rows are (date, *custom_dims) combinations and columns are channel names containing cost values. Not all model channels need to appear; missing channels default to 1.0 (already in spend units).'))

Define the constructor method.