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why the predicting ratings has negative number? #49

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giaoye opened this issue May 22, 2019 · 0 comments

giaoye commented May 22, 2019

I think the predicting rating should be a positive number. But the result of

logits = tf.keras.layers.Dense( # sigmoid
      1, activation=None, kernel_initializer="lecun_uniform",
      name=movielens.RATING_COLUMN)(predict_vector)

has some negative number.
Help me please, thanks!

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