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Studies Based On Data Mining Can Turn Out To Be Nonsense

As business prof Gary Smith explains at Bloomberg, we can find a great deal of nonsense if all we rely on is a search engine

Many of the studies represented to us in media are not nearly as reliable as we would like to believe, as Gary Smith explains at Bloomberg. He starts with statistician John Ioannidis pointing out that of 34 “highly respected” medical studies and found that only 20 were confirmed by the Reproducibility Project.: I wrote a satirical paper that was intended to demonstrate the folly of data mining. I looked at Donald Trump’s voluminous tweets and found statistically significant correlations between: Trump tweeting the word “president” and the S&P 500 index two days later; Trump tweeting the word “ever” and the temperature in Moscow four days later; Trump tweeting the word “more” and the price of tea in China four days…