Project planning isn’t easy, especially if you are under pressure to deliver. But why do we always wildly underestimate the amount of time that is required to complete a project? From the face of it, if our estimation is correct and there are no unexpected errors, then we should complete…

This is a summary of the book Trustworthy Online Controlled Experiments which consists of 5 sections touching different aspects of AB testing for various audience. Part I: Introductory Topics for everyone Part II: Selected Topics for everyone Part III Complementary and Alternative Techniques to Controlled Experiments Part IV: Advanced Topics for Building an…

Don’t Repeat Myself when starting a data science project. I am writing this post to remind myself about the list of items that I need to step through when starting a data science project. Define the problem You can’t solve a problem until you have defined it. Far better an approximate answer to…