Feature engineering has always had a faint smell of kitchen experimentation. Take the raw variables. Add ratios. Try logs. Multiply this by that. Remove the ones that look useless. Feed everything into XGBoost. Pretend the process was scientific because the final notebook has a clean cross-validation table. In many business analytics teams, this is not a caricature. It is Tuesday. ...
Forex has a talent for humiliating confident people. The market looks orderly enough on a chart: waves, levels, retracements, clean little indicators pretending they know where Europe and America are about to disagree next. Then a central banker speaks, an inflation print surprises, liquidity thins, and yesterday’s elegant setup starts looking like astrology with candlesticks. ...
TL;DR for operators The paper introduces an “AI Data Scientist”: a six-subagent system that moves from raw tabular data to cleaned data, tested hypotheses, engineered features, trained models, and business-facing recommendations.1 The useful idea is not that another agent can write Python. Congratulations, we have met 2025. The useful idea is that hypothesis testing becomes the workflow’s organising rail. ...