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TCRecommender uses string keys to refer to int item IDs #832
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This was referenced Jul 9, 2018
znation
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* Use NSNumber for item IDs in TCRecommender When the model uses int64 item IDs, we should use NSNumber as the key type in the output dictionaries. Fixes #832 * Remove unneeded assert statement
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The TCRecommender implementation always returns a dictionary with string keys, even if the model used int item IDs. So for models trained with int item IDs, the resulting Core ML model will throw (unwrapping optional nil) when accessed from Swift, since the cast to
[Int64: Double]will fail.The text was updated successfully, but these errors were encountered: