In the second step, the predictive accuracy of the model is estimated, if the accuracy of the model is considered acceptable, the model can be used to classify future data objects.是什么意思_In the second step, the predictive accuracy of the model is estimated, if the accuracy of the model is considered acceptable, the model can be used to classify future data objects.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句