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Building Machine Learning Systems with Python by Willi Richert, Luis Pedro Coelho

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Fetching the data

Luckily for us, the team behind stackoverflow provides most of the data behind the StackExchange universe to which stackoverflow belongs under a CC Wiki license. While writing this, the latest data dump can be found at http://www.clearbits.net/torrents/2076-aug-2012. Most likely, this page will contain a pointer to an updated dump when you read it.

After downloading and extracting it, we have around 37 GB of data in the XML format. This is illustrated in the following table:

File

Size (MB)

Description

badges.xml

309

Badges of users

comments.xml

3,225

Comments on questions or answers

posthistory.xml

18,370

Edit history

posts.xml

12,272

Questions and answers—this is what we need

users.xml

319

General information ...

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