In this article I will collect helpful tutorials and tools to boost your data analysis.
Great article that explains why data analysis is crucially important and how it should be applied.
Great free book on statistical learning.
Good article from Simon Cast about analytics for Product Managers.
Good article in german comparing different methods of applying analytics.
Great guide on why and how to run experiments for online products.
Great Excel online course.
R, the leading statistical data analysis tool.
Great tool to visualize your data from different sources.
SciKit Learn is a good place to start your machine learning and data analysis journey with python. The website also provides a great overview about machine learning methods in general.