Data Science Jumpstart with 10 Projects Transcripts
Chapter: Project 4: Understanding Grouping and Aggregation Retail Data
Lecture: Intro grouping
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Now I want to look at summarizing data. So we're going to take a retail dataset and summarize it. This is something that is super useful for reporting,
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and these are going to be, again, tools in your tool belt that will make it really easy for you to make little reports for your boss or
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to answer questions that they might ask about your data. More specifically, we'll talk about using Feather to speed up data loading,
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and then we'll show how to do grouping. We'll plot those aggregations, we'll limit that, and we'll show how to use built-in functions for aggregation,
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and we'll also manipulate visualizations.