March 2020
Beginner to intermediate
352 pages
8h 40m
English
Content preview from Hands-On Exploratory Data Analysis with Python
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Using pd.merge() methods with outer join
This is the fifth option. Finally, we want to know the total number of students appearing for at least one course. This can be done using an outer join:
dfSE = pd.concat([df1SE, df2SE], ignore_index=True)dfML = pd.concat([df1ML, df2ML], ignore_index=True)df = dfSE.merge(dfML, how='outer')df
Check the output and compare the differences with the previous output.
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