“It is better to be approximately right rather than precisely wrong.”- Warren Buffet Let’s say you are planning an event; you estimate the cost of hosting the event, basis the data from the past few years. After the event, you calculate the actual cost. Did you make an accurate prediction…

The ‘why, what & how’ of PCA (Principal Component Analysis) Availability of data needs no introduction. And, its needless to say, data drives businesses, these days. For a given business problem, the more features that we capture, the better the analysis. Isn’t it? Or is it? What if, … 1…

Imagine you are on a game show. There are three closed doors in front of you. One door has a car behind it, and the other two doors have a goat. The objective is to try and choose the door that has the car (of course!). You pick a door…