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- Importing Data 1:29
- Exploration Methods
- Review Exploration Methods 3 questions
- Selecting Data
- Review Selecting Data 2 questions
- Optional Challenge #1 - Top Referrers
- Manipulation 0:50
- Manipulation Techniques
- Review Manipulation Techniques 4 questions
- Optional Challenge #2 - Update Users
- Combining DataFrames 0:55
- Combining DataFrames
- Handling Duplicated and Missing Data
- Review Merging and Handling Missing Data 3 questions
- Manipulating Text
- Optional Challenge #3 - Verified Email List
- Grouping
- Review Text Manipulation and Grouping 2 questions
- Until Next Time 1:15
Instruction
Grouping
Grouping
A common need is bound to arise where you will need to look at an aggregate view of a DataFrame by a certain value. This is where grouping comes in.
CashBox has asked that we produce a list of the top 10 users who have been on the receiving side of transactions the most. They would like to see the user's first and last name, email, and the total number of transactions where the ...