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Gaurav

https://gsood.com

Beyond Anomaly Detection: Supervised Learning from `Bad' Transactions

Nearly every time you connect to the Internet, multiple servers log a bunch of details about the request. For instance, details about the connecting IPs, the protocol being used, etc. (One popular software for collecting such data is Cisco’s Netflow.) Lots of companies analyze this data in an attempt

Bad Remedies for Bad Science

Lack of reproducibility is a symptom of science in crisis. An eye-catching symptom to be sure, but hardly the only one vying for attention. Recent analyses suggest that nearly two-thirds of the (relevant set of) articles published in prominent political science journals condition on post-treatment variables (see here). Another analysis

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