October 2024
Beginner to intermediate
404 pages
8h 50m
English
Content preview from Pandas Cookbook - Third Edition
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1
pandas Foundations
The pandas library is useful for dealing with structured data. What is structured data? Data that is stored in tables, such as CSV files, Excel spreadsheets, or database tables, is all structured. Unstructured data consists of free-form text, images, sound, or video. If you find yourself dealing with structured data, pandas will be of great utility to you.
pd.Series is a one-dimensional collection of data. If you are coming from Excel, you can think of this as a column. The main difference is that, like a column in a database, all of the values within pd.Series must have a single, homogeneous type.
pd.DataFrame is a two-dimensional object. Much like an Excel sheet or database table can be thought of as a collection of columns, ...
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