December 2018
Beginner to intermediate
682 pages
18h 1m
English
Content preview from Numerical Computing with Python
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Grouping the companies by industry
As you may have noticed, three of the companies (AAPL, IBM, and MSFT) are tech companies, while the remaining three companies are not. Stock analysts often group companies by industry to gain deeper insights. Let's try to label the companies by industry:
# Classify companies by industrytech_companies = set(["AAPL","IBM","MSFT"])stock_df['Industry'] = ["Tech" if c in tech_companies else "Others" for c in stock_df['Company']]