Category Archives: Uncategorized

What is the Big Data? (part 2)

Faced with the ongoing confusion over the term ‘Big Data,’ here’s a handy – and somewhat cynical – guide to some of the key definitions that you might see out there. The first thing to note is that – despite what Wikipedia says – everybody in the industry generally agrees that Big Data isn’t just…
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Rant about “Data Scientist”

The following is in response to what was originally published by Aureus Analytics, titled "Demystifying a data scientist", some time ago. http://blog.aureusanalytics.com/demystifying-a-data-scientist/         The reason why I have chosen this old article to express my opinion  is because this article is very precise articulation of what is still commonly understood behind term “Data Scientist”.  So, in…
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The Seven Deadly Sins of Quantitative Data Analysts

"The Seven Deadly Sins of Quantitative Data Analysts" - By Abraham Thomas Sooner or later, every quant is tempted by forbidden fruit. These all-too-human traits can permeate even the most sophisticated analysis. Keep these tips in mind as you develop strategies, and you just may turn vice into virtue. https://www.quandl.com/blog/7-deadly-sins-of-a-quant  
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Big data – proceed with caution!

While collection and analysis on big data hold great promise, quantity doesn't always translate to quality. Quantity of data is represented by the number of records and the number of variables, and one can argue that good old statistical sampling techniques are still relevant. If variability is captured with a random sample, there will be…
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