24 Apr

Eric Hulbert Posted in Analytics No comments

Statistics Lie (part 5): Sampling on the dependent variable…or why waking up at 4 am won’t make you successful

Sampling on the dependent variable is something you see all the time if you read clickbait articles like the crap in Business Insider. These articles typically start with something like, “things all successful people do…” and then make claims about waking up early, or drinking 3 cups of coffee, etc. If you areRead more about Statistics Lie (part 5): Sampling on the dependent variable…or why waking up at 4 am won’t make you successful[…]

09 Apr

Eric Hulbert Posted in Analytics No comments

Statistics Lie (part 4): Normal Distribution…or its totally normal if your data is not normal

Statistics Lie, it’s Not Normal: Flaws of Assuming a Normal Distribution The normal distribution is so common it is often taken for granted by non-statisticians. However, real-world problems often follow when someone assumes their data is “normal” when it is not. How do we recognize and avoid these mistakes? What is the NormalRead more about Statistics Lie (part 4): Normal Distribution…or its totally normal if your data is not normal[…]

02 Apr

Eric Hulbert Posted in Analytics No comments

Statistics Lie (part three): Independent events…or how it was iid and not id that helped fuel the financial crisis

Statistics can be used to trick or deceive. Statistics can also “prove” things that are not true at all. One of the reasons this can happen is related to an assumption referred to as iid. Iid is shorthand for independent and identically distributed. It is often a necessary assumption for statistical inference. Assuming events are iidRead more about Statistics Lie (part three): Independent events…or how it was iid and not id that helped fuel the financial crisis[…]

26 Mar

Eric Hulbert Posted in Analytics No comments

Statistics Lie (part two): Correlation and Causation…or why vaccines don’t really cause autism

Correlation is not Causation Everyone has heard the maxim that correlation does not necessarily imply causation. But how do we prove when there is causation, when they are caused by the same thing (associated), and when it is just a coincidence? This is the second article in a series called “Statistics Lie” about how improperRead more about Statistics Lie (part two): Correlation and Causation…or why vaccines don’t really cause autism[…]

06 Mar

Eric Hulbert Posted in Analytics No comments

Statistics Lie (part one): Flaw of Averages…or why it takes slightly longer to get your Uber

The flaw of averages Most people have heard of the law of averages, but what about the flaw of averages? I would argue that understanding the flaw of averages is at least as important, especially if you don’t want to be fooled by bad analysis. This is the first article in aRead more about Statistics Lie (part one): Flaw of Averages…or why it takes slightly longer to get your Uber[…]

22 Jan

Eric Hulbert Posted in Analytics No comments

Data Science is like Jiu Jitsu

Data science is like Jiu Jitsu. The comparison seems odd, but might not be as ridiculous as it sounds at first. Jocko Willink is someone who I follow and I think really gets it. On his podcast he often compares lots of business or leadership issues to Jiu Jitsu. You can do the sameRead more about Data Science is like Jiu Jitsu[…]

15 Jan

Eric Hulbert Posted in Analytics No comments

Will AI automated hiring work in 2019?

Artificial Intelligence is the hottest subject in business and some people say we will have AI hiring soon. Some people have asked for my take on the matter. So without further ado…will we see AI automated hiring in 2019? Maybe. But here is the rub; artificial intelligence will never be able to automate the hiringRead more about Will AI automated hiring work in 2019?[…]

02 Jan

Eric Hulbert Posted in Analytics No comments

How to choose between learning Python and R in 2019?

Should you learn R or Python to get started in data science In my extensive study of the sheer mass of articles and LinkedIn posts about R vs Python I have concluded that people spend far too much time thinking about where they should start. 114,000,000 results on google for Python, 828,000,000 for R. AndRead more about How to choose between learning Python and R in 2019?[…]

18 Dec

Eric Hulbert Posted in Analytics No comments

VIDEO: Should you pursue a masters in data science in 2019

11 Dec

Eric Hulbert Posted in Analytics No comments

Data scientists need to learn how to present

Data science is a field known for how much effort individuals put into their self-development. After all, it is a field that is either new, or a hodgepodge of several other fields (depending on who you ask and how you ask), so it makes sense that individuals would need to learn a lot on theirRead more about Data scientists need to learn how to present[…]