A banker’s apology

Whenever there is a massive stock market crash, like the one in 1987, or the crisis in 2008, it is common for investment banking quants to talk about how it was a “1 in zillion years” event. This is on account of their models that typically assume that stock prices are lognormal, and that stock…

Duckworth Lewis Book

Yesterday at the local council library, I came across this book called “Duckworth Lewis” written by Frank Duckworth and Tony Lewis (who “invented” the eponymous rain rule). While I’d never heard about the book, given my general interest in sports analytics I picked it up, and duly finished reading it by this morning. The good…

Bangalore Book Festival

So today I made my way to Gayatri Vihar in the Palace Grounds to visit the Bangalore Book Festival, on its last day. It was interesting, though a bit crowded (what would you expect on the last day of an exhibition? and that too, when it’s a Sunday?). I didn’t buy much (just picked up…

Randomizing advertisements

This 7.5 minute break in the middle of an IPL innings is a bad idea. The biggest problem is that everyone knows the exact length of the break, and can use it to do stuff – like cook, or clean, or crap, or fag, or maybe watch the Everton-Man U shootout. 7.5 minutes is a…