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Quiz: Data Manipulation and Preparation

Quiz: Data Manipulation and Preparation

Test your knowledge of data formatting and creating visualizations using Plotly Express.

We'll cover the following...
Technical Quiz
1.

Which of the following operations creates a boolean column is_present that identifies missing values in the dataset (df)and sets the value to false for that entry?

A.

df['is_present'] = df['target_column'].notna()

B.

df['is_present'] = df['target_column'].na()

C.

df['is_present'] = df['target_column'].isna()

D.

df['is_present'] = df['target_column'].value_counts


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