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Towards optimal experimentation in online systems

The Unofficial Google Data Science Blog

the weight given to Likes in our video recommendation algorithm) while $Y$ is a vector of outcome measures such as different metrics of user experience (e.g., Taking measurements at parameter settings further from control parameter settings leads to a lower variance estimate of the slope of the line relating the metric to the parameter.

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Misleading Statistics Examples – Discover The Potential For Misuse of Statistics & Data In The Digital Age

datapine

These controlling measures are essential and should be part of any experiment or survey – unfortunately, that isn’t always the case. Drinking tea increases diabetes by 50%, and baldness raises the cardiovascular disease risk up to 70%! In 2012, the global mean temperature was measured at 58.2 So, can statistics be manipulated?