Data Frames and Operations - Example

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Originally published at: http://www.itversity.com/topic/data-frames-and-operations-example/

Let us define problem statement and work on design Problem statement compute total revenue for each day for completed orders get results in ascending order by date We will use same retail_db Filter for completed orders Join order_items and filtered orders Compute total for each day after joining Sort the data by order date We…

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