Good points, and some very good comments below the main article.

Watts Up With That?

Eric Worrall writes;

Mike Whitehorn, chair of analytics at Dundee University, has written a fascinating article on The Register, about why data analysis is always contaminated by the value judgements of whoever is doing the analysis.

According to Whitehorn; “Evidence-based decision making is so clearly sensible because the alternative — making random decisions based on no evidence — is so clearly ludicrous. The “evidence” that we often use is in the form of information that we extract from raw data, often by data mining. Sadly, there has been an upsurge in the number people who move from the perfectly sensible premise of “basing decisions on data” to the erroneous conclusion that “the answer is therefore always in the data”.

All you have to do is to look hard enough for it. This strange leap of non-logic seems to apply particularly to big data; clearly the bigger the data set the…

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