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The Last Mile From Analysis (Answers) to a Data Mart (Assets)
An analyst’s notebook is not a pipeline — and the gap is wider than it looks
9 hrs ago
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KY John
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I Let a Neural Network Do My Feature Engineering — Then Made It Explain Itself
An experiment in automated feature discovery for credit risk: a sequential model trained on raw payment history, interrogated with explainability tools…
Jun 13
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KY John
2
I knew the rules of Go. Writing them for a machine taught me I didn't understand them.
I’m rebuilding AlphaGo from scratch — 9×9 board, no shortcuts — to actually understand how it works instead of just running someone else’s repo.
May 30
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KY John
Why Singapore has no policy rate, the yen collapsed, and Brazil paid you 14% to hold a rising currency?
How Every Country Actually Runs Its Money
May 24
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KY John
2
What's Really Going On in Machine Learning? A Simplest Example by Stephen Wolfram
From Neural Networks to Rule Arrays: A Minimal Model of Learning
May 16
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KY John
Interchange Fee and the Universal Acceptance of Cards
Payment is fundamentally a two-sided market. Cardholders want more merchants accepting their cards. Merchants want more cardholders. Increasing the…
May 9
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KY John
What 50 years of Singapore property prices tell us about risk
Why "average return" lies, why one quarter in 1993 still distorts a 35-year statistic, and what this means for anyone planning to buy property
Apr 25
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KY John
The Hidden Interest Rate in Your Insurance Bill
A mental shortcut for comparing payment plans.
Apr 19
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KY John
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ZhiZhi Gewu
For I am and always have been one of those natures who must be guided by reason, whatever the reason may be which upon reflection appears to me to be the best. – Plato’s Crito
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