
大数据采集
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
sunlei li
Used 6+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面哪一个步骤不是切实可行的网站数据抓取方法
用网页爬虫抓取网页数据
调用网站的API抓取数据
直接下载该网站已经集成好的数据包
用手机拍下该网站的每一个网页
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下面哪种情况不属于数据清洗要解决的问题:
数据格式不规范
数据没有归一化
数据有重复
数据值缺失
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在模型评估阶段,用户的评分记录会被划分为训练集和测试集,其中训练集的用途是:
训练用户来评分
训练数据分析师来分析
训练和设计预测模型
训练数据的有效性
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在解决方案的部署阶段,下面哪一个不属于数据分析师的任务范围:
撰写报告描述数据分析结果
将分析成果转换为设计方案或科技出版物
报告上呈经理,以便他们读后做出相应决策
改写公司后台框架,将解决方案部署到公司框架中
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下面哪一种属于业务型数据分析的工具:
Python
Tableau
R
Scala
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在互联网公司中,数据分析师的日常监控指标不包括:
收益率
用户活跃量
每日登录时间
用户评分
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
数据探索步骤中不包括以下哪种活动:
符号型数据变成数字
识别模式和趋势
建立回归模型
建立分类模型
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