Sum and Product

To calculate the total sum and product you can use the .sum() and .prod() methods, respectively. These methods can be applied to an entire DataFrame; in that case, the corresponding operation will be performed for each column. For instance, we can calculate the total price of all cars manufactured in 2010.


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# Importing library
import pandas as pd

# Reading csv file
df = pd.read_csv('https://codefinity-content-media.s3.eu-west-1.amazonaws.com/67798cef-5e7c-4fbc-af7d-ae96b4443c0a/audi.csv')
# Total price of 2010 cars
print(df.loc[df.year == 2010, 'price'].sum())

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Sektion 4. Kapitel 5

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Introduction to pandas [track]

Sum and Product


              1234567
            
# Importing library
import pandas as pd

# Reading csv file
df = pd.read_csv('https://codefinity-content-media.s3.eu-west-1.amazonaws.com/67798cef-5e7c-4fbc-af7d-ae96b4443c0a/audi.csv')
# Total price of 2010 cars
print(df.loc[df.year == 2010, 'price'].sum())

Var alt klart?

Tak for dine kommentarer!

Sektion 4. Kapitel 5