When I was preparing for this competition, I had no seniors or experienced peers to turn to. I still remember how much I wished I could find even a small piece of useful information. I’m writing th...

Most of us call Cross-Entropy Loss without asking why it works. This post follows that question back from the loss function you use every day to Shannon’s 1948 communication theory. Table of Cont...

Inflation is still well above target, and payrolls fell in February. Add an Iran-driven oil shock and liquidity stress in private markets, and the Fed faces its hardest policy trade-off in years. ...