Pandas Data Structures and Dimensions Quiz
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Questions and Answers

How can a Series be created from an ndarray? What happens if no index is passed?

A Series can be created from an ndarray by using pd.Series(data). If no index is passed, the default index will be range(n) where n is the array length.

What is the default index for a Series if no index is passed?

The default index is range(n) where n is the array length.

What is the purpose of passing custom index values when creating a Series from an ndarray?

Passing custom index values allows for customized indexed values in the output.

What are the different inputs that can be used to create a Series?

<p>The different inputs that can be used are arrays, dictionaries, scalar values, or constants.</p> Signup and view all the answers

What are the three main data structures in Pandas?

<p>Series, DataFrame, Panel</p> Signup and view all the answers

What is the best way to think of the relationship between DataFrame and Series?

<p>DataFrame is a container of Series</p> Signup and view all the answers

What is the main characteristic of a Series in Pandas?

<p>It is a one-dimensional array like structure with heterogeneous data</p> Signup and view all the answers

What is the mutability of Pandas data structures?

<p>All Pandas data structures are value mutable, except Series which is size immutable</p> Signup and view all the answers

How can you delete a column from a DataFrame using the del function?

<p>Using del df['column_name']</p> Signup and view all the answers

How can you delete a column from a DataFrame using the pop function?

<p>df.pop('column_name')</p> Signup and view all the answers

What is the output when selecting row 'b' from the DataFrame using df.loc['b']?

<p>one 2.0, two 2.0</p> Signup and view all the answers

How can you select rows by label in a DataFrame?

<p>df.loc['row_label']</p> Signup and view all the answers

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