The evaluation criterion is the root mean squared error (RMSE) between predicted ratings and true ones.

评判标准是预测打分和真实值之间的均方误差(RMSE)。

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The evaluation criterion is the root mean squared error (RMSE) between predicted ratings and true ones.

评判标准是预测打分和真实值之间的均方误差(RMSE)。

youdao