From the SF Chronicle:
An analysis of recent celebrity deaths by UCI professor of cognitive sciences, Michael Lee, using recently published algorithms revealed that the aggregated opinions of Ranker users about recent celebrity deaths were relatively accurate. Aggregated predictions were better than chance and better than all but one individual users' opinion. Lee was interested in whether “wisdom of the crowd” methods could be applied to aggregate the individual predictions. Ranker data involved the lists provided by a total of 27 users up until early in 2013. Some users predicted as many as 25 deaths, while some made a single prediction. The median number of predictions was eight, and, in total, 99 celebrities were included in at least one list. At the time of analysis, six of the 99 celebrities had passed away.

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