The First Things you Should Learn as a Data Scientist – Not what you Think
The list below is a (non-comprehensive) selection of what I believe should be taught first, in data science classes, based on 30 years of business experience. This is a f...
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Black Hat Data Science
Black hat data science consists of techniques designed to fool existing algorithms (Google search, Amazon rankings, and so on), compromising or tampering with the metrics...
From Petabytes to Nanobits, with Application to Blockchain
It is hard to imagine that some data element could contain less information than a bit (a digit equal to either 0 or 1.) Yet examples are abundant. Indeed, I am wondering...
Why Logistic Regression should be the last thing you learn when becoming a Data Scientist
I recently read a very popular article entitled 5 Reasons “Logistic Regression” should be the first thing you learn when becoming a Data Scientist. Here I provide my...
From Machine Learning to Machine Unlearning
After all, the term Machine Learning was coined based on the way the human (or animal) brain learns, meaning that somehow, machines could also benefit from a similar kind...
Two Questions to Ask to a PhD Candidate for a Leadership Role
These are not business questions, but soft questions that should make any PhD candidate relaxed, even intrigued, and open to talk freely. There is no wrong answer, these ...
Fractional Exponentials – Dataset to Benchmark Statistical Tests
I described here a strange type of function, that is nowhere continuous but relatively easy to integrate using probabilistic arguments. I call it the fractional part of ...
Simple Trick to Prevent Cambridge Analytica and Others to Hack into Facebook Data
Cambridge Analytica was caught tampering with elections by exploiting Facebook, but chances are that this is the tip of the iceberg, and that many others, including scamm...
Opinion: Is a PhD helpful for a data science career?
The answer to this question is not black and white, and also depends on where you live, what you did during your PhD program, how much time and money you spent on it, wha...
22 Differences Between Junior and Senior Data Scientists
What do experienced data scientists know that beginner data scientists don’t know? Here is a quick overview. Automating tasks. Writing code that writes code. Outsou...