单项选择题

"The error rate is usually higher on the testing set than on the training set." Is it true？（）

A.Yes
B.No

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单项选择题

Which of these is a reasonable definition of machine learning？（）

A.Machine learning is the field of study that gives computers the ability to learn without being explicitly programmed.
B.Machine learning is the field of allowing robots to acti ntelligently.
C.Machine learning is the science of programming computers.
D.Machine learning learns from labeleddata.

单项选择题

Suppose you are working on stock market prediction. You would like to predict whether or not a certain company will win a patent infringement lawsuit (by training on data of companies that had to defend against similar lawsuits). Would you treat this as a classification or a regression problem？（）

A.Classification
B.Regression

单项选择题

An algorithm capable of categorizing any future pie into one of the two classes (positive and negative) is（）

A.classifiter
B.training set
C.positive/negative examples
D.instance space

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