Etiqueta: statistics

The collective misunderstanding syndrome

Consider a human collective whose members issue opinions about an event that can only be true of false. Individual reliability is p, ranging between zero and one. It is higher than 0.5 when the individual is right more often than wrong; equals 1 when they

dades massives cern
Big Data and statistics

Big Data brings unprecedented power to address scientific, economic and societal issues, but also amplifies the possibility of certain pitfalls.

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A Nightmare on Euler Street

In 2012, the Royal Statistical Society issued the following question to the members of the British Parliament, probably regarding the International Year of Statistics (2013): «If you toss a coin twice, what is the probability of getting heads twice? ». The correct answer is «a probability of