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3 cards from this section. Quick, good the night before a test.
What is the purpose of the groupby method?
Think about how you'd categorize your data.
List two common aggregation functions.
One function represents an average, the other a total.
What function do we use to split data into groups in Pandas?
It's a commonly used function in data analysis.
True or False: Aggregation functions can only return a single value.
Consider how functions like mean and sum work together.
You have a dataset with sales data for different products across various stores. Write a Pandas function to find the average sales per product.
Think about how products need to be grouped to calculate averages.
A farmer wants to analyze his crop yields across different farms over several years. Construct a script to group the data by year and find the total yield per year.
Focus on how years can help to summarize yields.
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