Viewing profile — richard_craib

You actually can't get that from the logloss number directly. However, ln(0.5) = 0.693... That's the logloss you'll get if you guessed randomly ie had no edge.

Check your coin toss math on 1000, 10000, 100000 predictions.

Every other machine learning competition I've seen is kind of one-off in nature. But stock market data is being generated all the time so I think there will always be new strategie…

It would be easy to match an obfuscated stock market dataset with some third party dataset, and this has happened on many Kaggle competitions (data leaks). That's why the encryptio…