Research

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Data Scientific Intuition that defines Good vs. Bad scientists

Many amateur data scientists have little respect to math/stat behind all computational modelsMath/stat contains the modelers’ logic and intuition to real world dataGood data scientists are ones with excellent intuition
On SIAI’s website, we can see most wannabe students go to MSc AI/Data Science program intro page and almost never visit MBA AI program pages. We …

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AI Pessimism, just another correction of exorbitant optimism

AI talks turned the table and become more pessimisticIt is just another correction of exorbitant optimism and realisation of AI’s current capabilitiesAI can only help us to replace jobs in low noise dataJobs needing to find new patterns and from high noise data industry, mostly paid more, will not be replaceable by current AI
There have …

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MSc AI/Data Science vs. Boot Camp for AI

Boot camp is for software programming without mathematical trainingMSc is a track for PhD, with in-depth scientific research written in the language of math and statWe respect programmers, but our works are significantly varying
Due to the fact that we are running SIAI, an higher educational institution for AI/Data Science, we often have questions about the …

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Why Companies cannot keep the top-tier data scientists / Research Scientists?

Top brains in AI/Data Science are driven to challenging jobs like modelingSeldom a 2nd-tier company, with countless malpractices, can meet the expectationsEven with $$$, still they soon are forced out of AI game
A few years ago, a large Asian conglomerate acquired a Silicon Valley’s start-up just off an early Series A funding. Let’s say it …

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ChatGPT to replace not (intelligent) jobs but (boring) tasks

ChatGPT is to replace not jobs but tedious tasksFor newspapers, ‘rewrite man’ will soon be goneFor other jobs, the ‘boring’ parts will be replaced by AI, but not the intellectual and challenging parts
There has been over a year of hype for Large Language Models(LLMs). At the onset and initial round of hype, people outside of …

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Post hoc, ergo propter hoc – impossible challenges in finding causality in data science

Data Science can find correlation but not causalityIn stat, no causal but high correlation is called ‘Spurious regression’Hallucinations in LLMs are repsentative examples of spurious correlation
Imagine two twin kids living in the neighborhood. One prefers to play outside day and night, while the other mostly sticks to his video games. After a year later, doctors …

Unrecognizable male writing mathematical equation on chalkboard in classroom with group of multiethnic student at table solving task during lesson

Why is STEM so hard? why high dropOut?

STEM majors are known for high dropoutsStudents need to have more information before jumping into STEMAdmission exam and tiered education can work, if designed right
Over the years of study and teaching in the fields of STEM(Science, Technology, Engineering, and Mathematics), it is not uncommon to see students disappearing from the program. They often are found …

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Following AI hype vs. Studying AI/Data Science

People following AI hype are mostly completely misinformedAI/Data Science is still limited to statistical methodsHype can only attract ignorance
As a professor of AI/Data Science, I from time to time receive emails from a bunch of hyped followers claiming what they call ‘recent AI’ can solve things that I have been pessimistic. They usually think ‘recent …

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Don’t be (extra) afraid of math. It is just a language

Math in AI/Data Science is not really math, but a shortened version of English paragraph.In science, researchers often ask ‘plz speak in plain English’, a presentation that math is just to explain science in more scientific way.
I liked math until high school, but it became an abomination during my college days. I had no choice …

IMF DataMapper Korea GDP Growth

Korean ‘Han river’ miracle is now over

Korean GDP growth was 6.4%/y for 50 years until 2022, but down to 2.1%/y in 2020s.Due to low birthrate down to 0.7, population is expected to 1/2 in 30 years.Policy fails due to nationwide preference to leftwing agenda.Few globally competent companies leave the country.
Financial Times, on Apr 22, 2024, reported that South Korean economic miracle …