quiz2
Authored by Zoey Zhu
Computers
9th Grade
Used 5+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
requests获取数据的方法是（ ）
requests.get( )
requests. fetch( )
requests. http( )
requests.html( )
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
用来解析网页的 Python 函数库是（ ）
Requests
BeatifulSoup
random
HTML
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
在利用Python语言进行数据整理的过程中，需要用到 pandas库，导入 pandas 库并将其命名为 pd的语句为（ ）
import pandas.pd
import pandas
import pandas as pd
import pandas as csv
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
pandas中的 DataFrame是几维数据（ ）
一维
二维
三维
三维
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
以下关于数据预处理，错误的是（ ）
数据的重复值会导致数据分布变化
数据的缺失值会导致样本信息减少
数据的异常值增加了分析的难度
数据整理的科学与否对数据分析的影响不大
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
数据处理与分析的前提是（ ）
数据读取与存储
检测与重复值处理
检测与异常值处理
检测与缺失值处理
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
pandas 中 df.dropna（how='all'）的作用是（ ）
删除表格中列名为 all的列
删除表格中索引为 all 的行
删除表格中含有缺失数据的行
删除表格中整行缺失数据的行
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