Hacker Bits, Issue 12

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that a database has different transactions stored in dollar and yen amounts, without indicating which was which. This actually happened. No it isn’t. Data is not a commodity, it needs to be transformed into a product before it’s valuable. Many respondents told me of projects which started without any idea of who their customer is or how they are going to use this “valuable data”. The answer came too late: “nobody” and “they aren’t”. Don’t torture your data scientists by witholding access to the data and tools they need to do their job. This senior data scientist took six weeks to get permission to install python and R. She was so happy! Well, she was until she sent me this shortly afterwards: 18 hacker bits
Now, allow me to introduce this guy: He was a product manager at an online auction site that you may have heard of. His story was about an A/B test of a new prototype algorithm for the main product search engine. The test was successful and the new algorithm was moved to production. Unfortunately, after much time and expense, it was realised that there was a bug in the A/B test code: the prototype had not been used. They had accidentally tested the old algorithm against itself. The results were nonsense. This was the problem: hacker bits 19
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