Data Science for Non-Programmers/

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Solution Review: Exploring E-Commerce

Solution Review: Exploring E-Commerce

This lesson provides solutions to the exercise on exploring E-Commerce Dataset in previous lesson.

We'll cover the following...

1. Top 55 customers with the highest number of orders

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Python 3.5
import pandas as pd 
df = pd.read_csv('e_commerce.csv')
# solution 
temp = df.groupby('CustomerID').size()
temp = temp.sort_values(ascending=False)
temp = temp.iloc[:5]
print(temp)

We do this task in three steps:

  • First, we group our data with CustomerID and call size to retrieve the number of times each CustomerID appeared in the data in line 5.
  • Second, we sort the values in descending order using sort_values in line 6.
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