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Slot machine hack

February 16, 2017 By editor

Wired has an article on a slot machine hack that seems to make use of data analytics. The hack relies on a weakness introduced in the pseudo-random number generator used by the machines from Austrian gaming company Novomatic. Teams in the casino video the machines using their cellphones. The videos are then sent to St Petersburg where they are analyzed---there are no technical details available … [Read more...]

Filed Under: Data analysis Tagged With: gambling, hack, pseudo-random number generator, slot machine

Personal rating dystopias

February 16, 2017 By editor

Black Mirror's "Nosedive" episode portrays a future society, frighteningly like our own, in which people rate each other as a consequence of all kinds of trivial social interactions. Your overall rating is public and determines your job prospects, housing options, social invitations, etc---causing people to obsess over improving them. As in most public policy decisions you control behavior by … [Read more...]

Filed Under: Big data, Data analysis, Data science Tagged With: Black Mirror, idiosyncratic rater effect, Nosedive, personal ratings, ratings

Visualization pioneer, Hans Rosling, dies aged 68

February 9, 2017 By editor

Hans Rosling has died this week, aged 68. He become famous due to a TED talk he gave in 2006. In the talk he brought international health statistics to life via animated visualizations. He used motion to help viewers make sense of the data. The software used in his talk was later released as Gapminder and can be used by anyone wishing to display their own data using time-based animation. … [Read more...]

Filed Under: Data analysis Tagged With: Gapminder, Hans Rosling, TED, visualization

Superconsumers

January 4, 2017 By editor

The Economist's Schumpeter column recently cautioned that Research shows that firms ignore passionate consumers at their peril These "superconsumers" represent 10% of all customers, but are responsible for 30-70% of sales, an even greater share of profits and almost all consumer insights. In addition, they influence their social circle with their unbridled enthusiasm. The article offers … [Read more...]

Filed Under: Data analysis, Data science Tagged With: superconsumers

Idiosyncratic Rater Effect

November 27, 2016 By editor

A colleague of mine cautions that performance ratings say more about the marriage of the person doing the assessing than the performance of the person being assessed. Turns out she may have a point. Most people have some experience with performance appraisals. Maybe as part of an annual salary review. Or even just completing a customer satisfaction survey. It's become a pretty ubiquitous process … [Read more...]

Filed Under: Data analysis, Data science, Decision science

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