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Paper comes in different sizes. Paper is used every day and it has been accepted as a standard but there is some interesting mathematics behind it too. Consider size A0: The area of a A0 size of paper is exactly 1 meter square. Interestingly, each subsequent size is half the area of the previous size….

A new coined term “data exhaust” has become popular. This implies that the data that is collected without a specific need or a specific routine, is also useful even though it is being “exhausted” like waste gases. Take an example of massive online courses: Coursera. Massive online courses (MOOC) are the latest trends in learning….

There is a great value in Ebook readers. Yes, they are very convenient to have a lot of books available to read and reading them is much easier with a screen, instead of messing with paper and other tools. However, the big value of Ebook readers is to the seller of books. Typically, they did…

Facebook’s Jeff Hammerbacher is an interesting person. He literally coined the term – data scientist and has been one of the big proponents of data mining. He found that the big predictor whether people will take action is dependent on whether they had seen their friends do the same thing. This is true whether you…

It is easy to get fooled by how the statistics interpret data. Sometimes, analysis of big data sets lead to conclusions that may not make sense. Also, the cause and effect do not work quite the same when the big data analysis shows a correlation. Just because there is a correlation does not mean that…

NY Times reported about Mike Flowers, who used quantitative measures to find apartments or buildings that were overcrowded. The typical method was to use random checks in areas or go to areas that had some complaints about overcrowding in the apartments. The hit rate was about 10%, which means less than random and pretty much…