Metrics Slice and Dice Testing Uncertainty 
The Unofficial Google Data Science Blog
JULY 18, 2023
Once we’ve answered that, we will then define and use metrics to understand the quality of human-labeled data, along with a measurement framework that we call Cross-replication Reliability or xRR. If they roll two dice and apply a label if the dice rolls sum to 12 they will agree 85% of the time, purely by chance.
The Unofficial Google Data Science Blog
OCTOBER 21, 2015
The beliefs of this community are always evolving, and the process of thoughtfully generating, testing, refuting and accepting ideas looks a lot like Science. Note also that this account does not involve ambiguity due to statistical uncertainty. the power grid, a streaming music service, the human body, the weather).
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