试卷 Paper
江西财经大学人工智能集训营·B班第3日课后作业（基础版）
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内容信息
- 内容类型
- 试卷 / Paper
- 题目数量
- 50
- 难度
- NORMAL
- 更新时间
- 2026/07/21 01:22
关键词 Tags
题目 Questions
- JXUFE-B-D3-SCQ-001｜校园能耗异常分类中，哪一列最不应作为模型特征？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-002｜发现kWh=80.0远高于多数记录，第一步应？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-003｜TP=8、FP=2、FN=4、TN=26，Accuracy是多少？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-004｜同一混淆矩阵TP=8、FN=4，Recall约为？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-005｜将报警阈值从0.70降到0.30，最常见变化是？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-006｜训练F1=1.00、验证F1=0.62，首要检查是？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-007｜机器学习流水线中，为什么应先切分再拟合Imputer/Scaler？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-008｜多数类Dummy得到F1=0.50的价值是？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-009｜F1从0.50升到0.80，相对提升是多少？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-010｜决策树深度1—8中验证F1在深度4最高，训练F1在深度8最高。应优先选择？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-011｜2×2灰度图展平后作为全连接输入，其特征维度是？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-012｜交叉熵在训练中主要用于？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-013｜调用loss.backward()后发生了什么？SINGLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-014｜学习率设为1.0后loss剧烈震荡，最合理的初步调整是？SINGLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-015｜验证时model.eval()并使用no_grad()的目的主要是？SINGLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-016｜收到竞赛散文题面后第一项工程动作是？SINGLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-017｜赛道3四小时现场赛中，S00首个提交的主要目标是？SINGLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-018｜多次有效提交后，截止前必须做什么？SINGLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-019｜哪项说法正确？SINGLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-SCQ-020｜比赛还剩20分钟，新模型还没有生成提交文件。此时最稳妥的做法是？SINGLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-MCQ-001｜读入能耗表后，哪些检查应在建模前完成？MULTIPLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-MCQ-002｜一份合格的数据分析结论应同时包含？MULTIPLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-MCQ-003｜experiments.csv中应记录哪些内容？MULTIPLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-MCQ-004｜下列哪些属于数据或榜单泄漏？MULTIPLE_CHOICE_SELECTION · EASY · Subscribe to view the full content.
- JXUFE-B-D3-MCQ-005｜一次标准训练迭代通常包括哪些步骤？MULTIPLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-MCQ-006｜出现loss为NaN时应优先检查？MULTIPLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-MCQ-007｜赛道3/4/5共同需要哪些能力？MULTIPLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-MCQ-008｜任务状态“已验证”至少应有哪些证据？MULTIPLE_CHOICE_SELECTION · NORMAL · Subscribe to view the full content.
- JXUFE-B-D3-TRUE_FALSE-001｜在异常极少时，99% Accuracy可能仍漏掉全部异常。TRUE_FALSE · EASY · Subscribe to view the full content.
- JXUFE-B-D3-TRUE_FALSE-002｜可以用封闭B榜标签反复调阈值，只要最后只提交一次。TRUE_FALSE · EASY · Subscribe to view the full content.