Course Content
Analyzing and Visualizing Real-World Data
Analyzing and Visualizing Real-World Data
2. Preprocessing Data: Part II
The Most Profitable Periods
Good, now we know that the given data are weekly. Let's find out what weeks were the most profitable by comparing the total for each week.
Task
Swipe to begin your solution
- Group the observations in the
df
dataframe by the'Date'
column values. - Select the
'Weekly_Sales'
column. - Calculate the total (sum) for each group.
- Sort values in descending order (not ascending).
Solution
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Section 3. Chapter 5
The Most Profitable Periods
Good, now we know that the given data are weekly. Let's find out what weeks were the most profitable by comparing the total for each week.
Task
Swipe to begin your solution
- Group the observations in the
df
dataframe by the'Date'
column values. - Select the
'Weekly_Sales'
column. - Calculate the total (sum) for each group.
- Sort values in descending order (not ascending).
Solution
Switch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?
Thanks for your feedback!
Section 3. Chapter 5
Switch to desktop for real-world practiceContinue from where you are using one of the options below