Exploring the Quandl data source

Quandl is one of the largest repositories of economic/financial data on the internet. Its data sources can be accessed free of charge. It also offers premium data sources, for which there is a charge.

Installation is straightforward:

pip install quandl

To access the data, you have to provide an access key (apply for one at https://quandl.com):

import quandl
quandl.ApiConfig.api_key = 'XXXXXXX'

To find a ticker and data source, use https://www.quandl.com/search.

Let's now download the Monthly average consumer prices in metropolitan France - Apples (1 Kg); EUR data:

papple = quandl.get('ODA/PAPPLE_USD')
papple
               Value
Date  
1998-01-31  1.735999
    ...          ...
2020-11-30  3.350000
275 rows × 1 columns

Let&apos...