When the algorithm walks away from your feature without saying a word
It's worth noting that another danger of including a high cardinality feature such as product_id is that when new products appear, the model has no semblance of how to handle those values. A very common issue in the retail space...
Great insights, Frank!
It's worth noting that another danger of including a high cardinality feature such as product_id is that when new products appear, the model has no semblance of how to handle those values. A very common issue in the retail space...
Great insights, Frank!