Chris Albon has made a comprehensive list of tutorials in Python and R.
A great list of add-ons for data journalists.
An introduction to data analysis and presentation.
A good article for beginners.
Writing data stories in any size newsroom.
Learn how to get started with this e-book.
Paul Myers teaches you how to investigate online.
Tutorials about everything from extraction to presentation of data
Learn to ask questions from your Excel sheet.
A loooong list of suggestions of public data to request.