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4 cards from this section. Quick, good the night before a test.
What is the purpose of data cleaning?
Think about the quality of data.
Name one method of data visualization.
Think of how you would represent data visually.
What is the main focus of Data Exploration?
Think about what you do once data is collected.
True or False: Visualization is unnecessary if you have already conducted statistical analysis.
Consider how data insights are conveyed.
Given a messy dataset with numerous missing values, duplicates, and outliers, outline a step-by-step approach to cleaning this dataset before performing any analysis.
Think sequentially about data integrity.
Develop a small project proposal that includes steps for data exploration on a dataset related to health metrics. Include methods for cleaning, analyzing, and visualizing the data.
Think about the health metrics’ relevance to your dataset.
6 more questions in this section. Enroll free to practise them all.
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