Questions Bank | Page 122560

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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How do you create a Pandas Series?

create_series([1, 2, 3])

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series([1, 2, 3])

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pd.create_series({'a': 1, 'b': 2, 'c': 3})

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pd.Series([1, 2, 3])

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How do you select a column in a Pandas DataFrame?

df.get_column('column_name')

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df.select_column('column_name')

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df['column_name']

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df.column_name

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What is the primary data structure in Pandas?

List

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DataFrame

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Dictionary

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Tuple

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How do you check for missing values in a Pandas DataFrame?

df.null_values()

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df.missing_values()

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df.isna()

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df.check_missing()

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