Hello again ,
According to Big Data, if the US government wants to reduce suicides, it must reduce investment in science. Strange? The following graph shows that both variables are correlated to 99.8%.
Of course, common sense tells us that something is wrong. Developing the trend analysis by ourselves can give us a great competitive advantage. But doing it from the pure data, without causal analysis, is dangerous. In a world with huge data available, Big Data allows us to discover "possible" correlations, even automatically. But this does not mean that there is a causal relationship. As Nassim Taleb says in his Black Swan, the human being is programmed to identify patterns and infer causality, since his survival has depended on it throughout evolution. But this generates inconveniences such as superstition, and also big decision mistakes when we apply Big Data in the company.
From Spurious correlations (Tyler Vigen)
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