How many shots do I need to measure my free throw accuracy?

Let’s say you hear that to become a world-star basketball player, you need to score at least 90% of your free throws. So you train for a day, a week, a month, a year… and you consider yourself ready. Now it is time to test. But… how many free throws do you need to shoot to accurately measure your free throw accuracy?

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My introduction to SQL window functions

Last Monday, I started working @ Opinary (Berlin) as a Data Scientist. Wednesday, I was introduced to MySQL / BigQuery window functions. They’re likely to be one of the most useful (and one of my favourite) functions from now on. Let me very quickly describe what window functions are.

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Not reinventing the wheel II - Pig

This is the second of a series of posts on BigData software and architecture. The main goal of this series is to not reinvent the wheel by re-developing a system that is already out there. In this post I’ll take a look at Pig, a high level language that can be compiled into MapReduce jobs.

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Not reinventing the wheel I - MapReduce

This is the first of a series of posts on BigData software and architecture. The main goal of this series is to not reinvent the wheel by re-developing a system that is already out there. A more intelligent approach always takes into account the existing tools and either re-uses them or builds on top of them if necessary. In the unlikely case that your personal/company’s problem is different to anything out there already and you believe you need to develop it from scratch, it will always help to know which problems you will have to face in the near future.

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Docker 101

Disclaimer: This is not an in-depth introduction to Docker and only aims at pointing out its utility and ease of use.

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What is this?

I will use this website as a blog to talk about things I learn about or that I found interesting enough to share with the Internet.

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