July 29, 2015


Using Bayes’ Theorem to understand extreme opinions

The basic principle of Bayes’ Theorem is to take a set of ‘prior beliefs’ and see how they change in the face of given evidence

How have RBI’s new rules on ATM usage affected banking?

A look at the result of the curbs on minimum number of free non-home-bank ATM transactions per month

Understanding exponential growth

Fast growth is neither a necessary nor sufficient condition for growth to be called exponential. For that to happen, it should follow a specific pattern

India’s best and worst telecom firms

A Mint-instaVaani survey shows that Aircel is India’s best telecom company, while the worst are Reliance Communications, MTNL and Idea

The probability of foul play in Vyapam deaths

Analysis of deaths over the past 5 years shows the number of recent deaths linked to the case is highly unusual

What the flooding of the Nile says about the Nifty

While Nifty is positively serially correlated over the very short term, if we look at slightly longer time periods, we find that the index is actually mean reverting

One year on, Modi govt performance has matched expectations: Poll

Here are the results of a survey done by Mint in partnership with Ipsos on the industry’s perception of Narendra Modi’s performance

What cross-tabulating can tell us

Reports of opinion polls seldom include insights drawn by correlating responses to two or more survey questions

Anatomy of a recession

There are several ways in which money supply can be defined. Here we will look at one such definition

The lifecycle and cost of a banknote

What is the average age of Indian currency? How often are our notes retired, and what is the cost of printing?