게시물
AI 에이전트 연구, 시장 예측의 백테스트와 감사, 플랫폼 아키텍처.
예측 채점
The instinct to grade a forecast by whether it came true is the wrong test. Calibration - when a model says 70% it happens about 70% of the time - is the property that separates a real forecaster from a confident guesser, and it is measurable.
7분 분량섹션 7개
예측 채점
The Brier score grades a probability for a yes/no event. The CRPS does the same job for a full distribution over a number. Here is how it works and why it is a proper scoring rule.
3분 분량섹션 5개
예측 채점
Log loss vs Brier score explained: how each grades a probabilistic forecast, why log loss punishes confident errors harder, and when to use which metric.
6분 분량섹션 8개
예측 채점
A Brier score is the squared error of a probability — forecasting's lie detector. A plain-English guide with a real worked example, and why calibration beats confidence.
5분 분량섹션 6개
예측 채점
A 70% favourite loses three times in ten — by design. Here's why upsets don't mean the model failed, and how to actually tell a good forecast from a bad one.
4분 분량섹션 4개
예측 채점
A rigorous framework for comparing forecasting models without bias — covering evaluation protocols, metrics, baselines, and statistical significance tests.
7분 분량섹션 9개
예측 채점
Learn how to measure and interpret forecast uncertainty using confidence intervals, scenario analysis, calibration scoring, and AI-driven ensemble methods.
7분 분량섹션 7개
예측 채점
Learn what epistemic uncertainty means in AI models, how it differs from aleatoric uncertainty, and why it matters for trustworthy, transparent AI systems.
7분 분량섹션 8개
예측 채점
Calibration measures whether your stated confidence matches reality. Learn what it means in forecasting, why it matters in markets, and how to improve it.
8분 분량섹션 10개
예측 채점
Learn how to evaluate a forecasting model — from error metrics and backtesting to overfitting, calibration, and transparency. A practical framework.
8분 분량섹션 9개
예측 채점
Learn how forecasters measure accuracy using MAE, RMSE, Brier scores, and calibration. A clear, practical guide for thinking critically about predictions.
7분 분량섹션 9개
예측 채점
Learn what a Brier score is, how it's calculated, and why it's the gold standard for evaluating probabilistic predictions in AI and markets.
7분 분량섹션 9개
예측 채점
Learn what confidence intervals mean in forecasting, why they matter in financial markets, and how understanding uncertainty makes you a sharper analyst.
1분 분량섹션 1개
