Pandas基础

Pandas基础

University

20 Qs

quiz-placeholder

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Pandas基础

Pandas基础

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

文强 李

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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个方法用于创建 Series?

pd.DataFrame()

pd.Series()

array()

list()

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DataFrame 中的每一列实际上是一个什么类型的对象?

列表

字典

Series

数组

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个方法用于按*整数*位置选择 DataFrame 的特定行?

iloc

loc

select

index

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个运算符可以用于 DataFrame 的布尔索引表示“与”?

&&

and

&

!

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DataFrame 可以通过字典或列表来创建。

正确

错误

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

多选:在 Pandas 中,DataFrame 的行标签和列标签分别称为 ______ 和 ______。

index

row

columns

raw

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

使用 df[df['column'] == value] 可以实现什么操作?

添加新列

过滤行

删除列

修改索引

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