
Mastering DataFrame Creation
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Hard
daya poudel9398
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a DataFrame in Pandas?
A DataFrame is a two-dimensional labeled data structure in Pandas.
A DataFrame is a graphical representation of data in Pandas.
A DataFrame is a type of database in Pandas.
A DataFrame is a one-dimensional array in Pandas.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you create a DataFrame from a dictionary?
Convert your_dict to a list before creating a DataFrame
Use pd.DataFrame(your_dict) where your_dict is the dictionary.
Create a DataFrame using df.from_dict(your_dict)
Use your_dict.to_DataFrame()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What function is used to create a DataFrame from a CSV file?
pd.open_csv()
pd.import_csv()
pd.read_csv()
pd.load_csv()
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you create a DataFrame with specified column names?
import pandas as pd # Create a DataFrame with specified column names column_names = ['A', 'B', 'C'] data = [[1, 2, 3], [4, 5, 6]] df = pd.DataFrame(data, columns=column_names)
df = pd.DataFrame({'A': [1, 4], 'B': [2, 5], 'C': [3, 6]})
df = pd.DataFrame(data, index=['row1', 'row2'])
df = pd.DataFrame(columns=['A', 'B', 'C'])
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the default index of a DataFrame created from a list?
SequentialIndex with negative numbers
DefaultIndex with random values
RangeIndex starting from 0
ListIndex starting from 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you create an empty DataFrame in Pandas?
pd.DataFrame([])
pd.DataFrame()
pd.DataFrame({})
pd.emptyDataFrame()
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method would you use to create a DataFrame from a NumPy array?
Use pandas.DataFrame() method.
Use numpy.array() method.
Use pandas.merge() method.
Use pandas.concat() method.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you specify the data types of columns when creating a DataFrame?
Specify data types only after creating the DataFrame.
Data types are automatically inferred from the data.
Use the 'dtype' parameter or a dictionary mapping column names to data types.
Use the 'format' parameter to define column types.
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