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机器学习 --- 模型评估、选择与验证
2022-07-28 17:20:00 【Ssaty.】
第1关:为什么要有训练集与测试集
本关任务:根据本节课所学知识完成本关所设置的选择题。
第1题
D
第2题
A
第2关:欠拟合与过拟合
本关任务:根据本节课所学知识完成本关所设置的选择题。
第1题
B
第2题
ABD
第3关:偏差与方差
本关任务:根据本节课所学知识完成本关所设置的选择题。
第1题
B
第4关:验证集与交叉验证
本关任务:根据本节课所学知识完成本关所设置的选择题。
第1题
D根据所有子模型评分的平均值来选择超参数
第2题
BCD
第5关:衡量回归的性能指标
本关任务:根据本关卡所学知识,完成选择题。
第1题
AB
第6关:准确度的陷阱与混淆矩阵
本关任务:填写 python 代码,完成 confusion_matrix 函数实现二分类混淆矩阵的构建。
import numpy as np
def confusion_matrix(y_true, y_predict边栏推荐
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