Questions Bank | Page 135214

What is the purpose of the "describe()" function in Pandas?

It describes the structure of a DataFrame

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It provides basic statistics of a DataFrame

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It returns the total number of elements in a DataFrame

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It shows the first few rows of a DataFrame

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What is Pandas in Python?

A data manipulation library

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A numerical computing library

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A web development framework

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A machine learning library

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What is the purpose of the "to_excel()" function in Pandas?

It exports a DataFrame to a CSV file

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It writes a DataFrame to a text file

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It converts a DataFrame to an Excel file

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It saves a DataFrame in a JSON file

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How do you drop duplicate rows from a Pandas DataFrame?

df.remove_duplicates()

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remove_duplicates(df)

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drop_duplicates(df)

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df.drop_duplicates()

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How do you write a Pandas DataFrame to a CSV file?

save_dataframe('file.csv')

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write_csv('file.csv')

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df.to_csv('file.csv')

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df.save_csv('file.csv')

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What is the purpose of the "groupby()" function in Pandas?

It groups the data based on a specified column

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It filters rows based on a condition

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It sorts the DataFrame based on a specified column

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It aggregates the data in a DataFrame

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What is the purpose of the "head()" function in Pandas?

It returns the first 5 rows of a DataFrame

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It returns the total number of rows in a DataFrame

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It removes the duplicate rows from a DataFrame

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It returns the last few rows of a DataFrame

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How do you import Pandas in Python?

import pandas as pd

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import panda

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from pandas import *

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import pd

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What is the purpose of the "loc[]" function in Pandas?

It is used for accessing columns in a DataFrame

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It is used for filtering rows based on a condition

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It is used for label-based indexing

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It is used for position-based indexing

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How do you sort a Pandas DataFrame by a specific column?

df.sort(column='column_name')

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df.order_by('column_name')

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df.sort_values(by='column_name')

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df.sort_by('column_name')

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