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Following AI hype vs. Studying AI/Data Science

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…

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

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…

Korean ‘Han river’ miracle is now over

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…

The process of turning web novels into webtoons and data science

The process of turning web novels into webtoons and data science

Web novel to Webtoon conversion is not only based on ‘profitability’If the novel author is endowed with money or bargaining power, ‘Webtoonization’ may be nothing more than a marketting tool for the web novel.Data science modeling based on market variables unable to grab such cases A student in SIAI’s MBA AI/BigData progam, struggling with her…

Is online degree inferior to offlinie degree?

Is online degree inferior to offlinie degree?

Not the quality of teaching, but the way it operatesEasier admission and graduation bar applied to online degreesStudies show that higher quality attracts more passion from students Although much of the prejudice against online education courses has disappeared during the COVID-19 period, there is still a strong prejudice that online education is of lower quality…

Can a graduate degree program in artificial intelligence actually help increase wages?

Can a graduate degree program in artificial intelligence actually help increase wages?

Asian companies convert degrees into years of work experienceWithout adding extra values to AI degree, it doesn’t help much in salary’Dummification’ in variable change is required to avoid wrong conclusion In every new group, I hide the fact that I have studied upto PhD, but there comes a moment when I have no choice but…

Did Hongdae’s hip culture attract young people? Or did young people create ‘Hongdae style’?

Did Hongdae’s hip culture attract young people? Or did young people create ‘Hongdae style’?

The relationship between a commercial district and the concentration of consumers in a specific generation mostly is not by causal effectSimultaneity oftern requires instrumental variablesReal cases also end up with mis-specification due to endogeneity When working on data science-related projects, causality errors are common issues. There are quite a few cases where the variable thought…

SNS heavy users have lower income?

SNS heavy users have lower income?

One-variable analysis can lead to big errors, so you must always understand complex relationships between various variables. Data science is a model research project that finds complex relationships between various variables. Obsessing with one variable is a past way of thinking, and you need to improve your way of thinking in line with the era…

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