lördag 16 juli 2016

When Big Data is Bad Data

No one said this would be easy. Photo by Robin Harris

From ZDNet
Big Data promises to revolutionize many fields, but only if correctly analyzed. A recent study shows that some 40,000 health care papers used statistical software that gives invalid results. This points to a larger problem.
In a world of Big Data, statistical quality needs to be taken seriously. But statistics are complex, so even highly educated professionals rely on packages making assumptions they don't understand, trusting that the results are sound.