单项选择题
A.The attribute values and classlabels may suffer from stochasticnoise，systematic noise，and random artefacts.
B.The quality of the induced classifier depends ontraining examples.
C.Apart from low error rate，some applications require that the classifer provides the reasons behind the classification.
D.The simplest performance criterion is rmse.
判断题 Is the following statement true or false? "The evaluation function is a function used to estimate the value or goodness of a position in minimax and related algorithms, and typically desigened to prioritize spped over accuracy."
单项选择题 "The error rate is usually higher on the testing set than on the training set." Is it true？（）
单项选择题 Which of these is a reasonable definition of machine learning？（）