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Lære Exploring Data [1/3] | Reading and Exploring Data
Introduction to pandas [track]
course content

Kursusindhold

Introduction to pandas [track]

Introduction to pandas [track]

1. Basics
2. Reading and Exploring Data
3. Accessing DataFrame Values
4. Aggregate Functions

book
Exploring Data [1/3]

What can you do with loaded data? First, you need to explore it.

You can get the first or the last n rows of DataFrame. To get the first n rows apply the .head(n) method. To get the last n - apply the .tail(n) method.

Default value of the parameter n is 5 (i.e., if you don't write it, then 5 rows will be printed).

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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') # The first 5 rows print(df.head()) # or df.head(5) # The last 3 rows print(df.tail(3))
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To get n sample rows, apply the .sample(n) method. Default value for n in this method is 1.

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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') # 2 random rows print(df.sample(2))
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Sektion 2. Kapitel 3

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course content

Kursusindhold

Introduction to pandas [track]

Introduction to pandas [track]

1. Basics
2. Reading and Exploring Data
3. Accessing DataFrame Values
4. Aggregate Functions

book
Exploring Data [1/3]

What can you do with loaded data? First, you need to explore it.

You can get the first or the last n rows of DataFrame. To get the first n rows apply the .head(n) method. To get the last n - apply the .tail(n) method.

Default value of the parameter n is 5 (i.e., if you don't write it, then 5 rows will be printed).

12345678910
# 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') # The first 5 rows print(df.head()) # or df.head(5) # The last 3 rows print(df.tail(3))
copy

To get n sample rows, apply the .sample(n) method. Default value for n in this method is 1.

12345678
# 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') # 2 random rows print(df.sample(2))
copy

Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

Sektion 2. Kapitel 3
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