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Gaurav

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Some Aspects of Online Learning Re-imagined

Trevor Hastie is a superb teacher. He excels at making complex things simple. Till recently, his lectures were only available to those fortunate enough to be at Stanford. But now, he teaches a free introductory course on statistical learning via the Stanford online learning platform. (I browsed through the online

Stemming the Propagation of Error

About half of the (relevant set of) articles published in neuroscience mistake difference between a significant result and an insignificant result as evidence for the two being significantly different (see here). It would be good to see if the articles that make this mistake, for instance, received fewer citations post

That's Smart! What We Mean by Smartness and What We Should

Many people conceive of intelligence as a CPU. To them, being more intelligent means having a faster CPU. This is despairing as the clock speed is largely fixed. (Prenatal and childhood nutrition can make a sizable difference, however. For instance, iodine deficiency in children causes mental retardation.) But people misconceive

Reviewing the Peer Review

Update: Current version is posted here. Science is a process. For a good deal of time, peer review has been an essential part of the process. When looked at independently by people with no experience with it, it makes a fair bit of sense. For there is only one well-known

Toward a Two-Sided Market on Uber

Uber prices rides based on the availability of Uber drivers in the area, the demand, and the destination. This price is the same for whoever is on the other end of the transaction. For instance, Uber doesn’t take into account that someone in a hurry may be willing to

Rape in India

According to crime reports, in India, rape is about 15 times less common than in the US. A variety of concerns apply. For one, the definition of rape varies considerably. But differences aren’t always in the expected direction. For instance, Indian Penal Code considers sex under the following circumstance