C3_W2_RecSysNN_Assignment (user and item vectors shape)

Course Q&A Machine Learning Specialization Unsupervised Learning, Recommenders, Reinforcement
2

Hello @Radouane_BEY_OMAR,

Please check this thread out.

We have 50884 instead of 25521 ratings because , as the lab description says,

Some ratings are repeated to boost the number of training examples of underrepresented genre’s.

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