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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
Optional Challenge #1 - Top Referrers
Optional Challenge 1 - Top Referrers
We at CashBox believe that referrers are a great asset to our product. We'd like to know the top referrers with verified email addresses so that we can send them some motivational emails.
Currently, anyone with 5 or more referrals is considered a top referrer.
In the cell labelled CHALLENGE, follow the instructions to return what is required. Use Ke...