Data Collection

Data collection is the most fundamental part of data science. Data can be imported into R and Python from many sources: csv, txt, pdf and even from html pages.

The following chapters will show you how to import data into R and Python from several sources using different packages:

• readr and Pandas for the most common tabular data formats;
• readxl and openpyxl for Excel files;
• jsonlite and json for JSON files;
• xml2 and ??? for XML files;
• DBI and ??? for SQL databases;
• rvest and Beautiful Soup for web scraping;
• httr2 and Requests to interrogate APIs.