Insights:
| "constant"
| "high_cardinality"
| "high_cardinality_integer"
| "too_many_nulls"
| "will_be_impact_encoded"
| "will_be_one_hot_encoded"
| "possible_free_text_encoded"
| "valid_index"
| "underrepresented_class"
| "invalid_column_name"
| "will_be_date_engineered"
| "possible_date_index"
| "possible_group"
| "possible_future_feature"
Insights about a feature, such as why it's not included in a model