KDD Metrics Optimization Reference 
Data Science 101
OCTOBER 31, 2019
Data mining is the process of discovering these patterns among the data and is therefore also known as Knowledge Discovery from Data (KDD). Additionally, this will enable an organization to utilize resources optimally and enhance the customer’s experience. The choice of these metrics depends on the nature of the problem.
The Unofficial Google Data Science Blog
OCTOBER 7, 2015
Nevertheless, A/B testing has challenges and blind spots, such as: the difficulty of identifying suitable metrics that give "works well" a measurable meaning. This is essentially the same as finding a truly useful objective to optimize. In this blog post, we summarize that paper and refer you to it for details.
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