Which statement best describes the task of “clustering” in machine learning?哪一个是机器学习中“聚类”任务的准确描述？
A: To assign a category to each item.为每个项目分配一个类别。
B: To find the distribution of inputs in some space.发现某个空间中输入的分布。
C: To group data objects.对数据对象进行分组。
D: To order items according to some criterion.依据某个准则对项目进行排序。
E: To predict a real value for each item.预测每个项目实际的值。
F: To simplify inputs by mapping them into a lower space.将其映射到低维空间来简化输入。
A: To assign a category to each item.为每个项目分配一个类别。
B: To find the distribution of inputs in some space.发现某个空间中输入的分布。
C: To group data objects.对数据对象进行分组。
D: To order items according to some criterion.依据某个准则对项目进行排序。
E: To predict a real value for each item.预测每个项目实际的值。
F: To simplify inputs by mapping them into a lower space.将其映射到低维空间来简化输入。
举一反三
- Which statement best describes the task of “regression” in machine learning? A: To assign a category to each item. B: To find the distribution of inputs in some space. C: To group data objects. D: To order items according to some criterion. E: To predict a real value for each item. F: To simplify inputs by mapping them into a lower space.
- Which statement best describes the task of “density estimation” in machine learning? A: To assign a category to each item. B: To find the distribution of inputs in some space. C: To group data objects. D: To order items according to some criterion. E: To predict a real value for each item. F: To simplify inputs by mapping them into a lower space.
- Which statement best describes the task of “regression” in machine learning? A: To assign a category to each item. B: To find the distribution of inputs in some space. C: To group data objects. D: To order items according to some criterion. E: To predict a real value for each item. F: To simplify inputs by mapping them into a lower space. G: None of the above is correct
- 哪一个是机器学习中“回归”任务的正确描述？ A: 为每个项目分配一个类别。 B: 发现某个空间中输入的分布。 C: 对数据对象进行分组。 D: 依据某个准则对项目进行排序。 E: 预测每个项目实际的值。 F: (6) 将其映射到低维空间来简化输入。
- Whichstatementbestdescribesthetaskof“regression”inmachinelearning?哪一个是机器学习中“回归”任务的准确描述？ A: Toassignacategorytoeachitem.为每个项目分配一个类别。 B: Tofindthedistributionofinputsinsomespace.发现某个空间中输入的分布。 C: Togroupdataobjects.对数据对象进行分组。 D: Toorderitemsaccordingtosomecriterion.依据某个准则对项目进行排序。 E: Topredictarealvalueforeachitem.预测每个项目实际的值。 F: Tosimplifyinputsbymappingthemintoalowerspace.将其映射到低维空间来简化输入。