Survival Analysis – A Self-Learning Text

As the title suggests, this book is truly a self-learning text. There is minimal math in the book, even though the subject essentially is about estimating functions(survival, hazard, cumulative hazard). I think the highlight of the book is its unique layout. Each page is divided in to two parts, the left hand side of the page runs like a pitch, whereas the right hand side of the page runs like a commentary to the pitch.

Biased vs. Unbiased

The following is a nice example from Michael Hardy that shows how excessive focus on unbiasedness of an estimator leads to nonsense results : A light source is at an unknown location µ somewhere in the unit disk D. A dart thrown at the disk strikes some random location U in the disk, casting a shadow at a point X on the boundary. The random variable U is uniformly distributed in the disk, i.

100 crores fraud at NSE

A whistleblower( someone working in a hedge fund at Singapore) alleges that NSE had indulged in market manipulation to the tune of 100 crores over a period of three years. What are the allegations against NSE, Omnesys and others? Tick by Tick data was disseminated via TCP/IP instead of UDP for three years and there was no load balancer in place.This meant that the person who could connect to the server that had the least load and be first in the queue was at an advantage.

Birthing Music

Making beautiful and powerful music is a physical act - pulling, scraping, beating, and straining wood, steel and muscles. Music is not made. It is wrought. Sounds are wrung from wood and steel, Fingers pull metal. Horsehair scrapes gut. And out of the pulling, beating, scraping and straining comes that most intangible, that most beautiful and powerful of things . . . music. [youtube https://www.youtube.com/watch?v=Qg0JTAMwM6U?rel=0]