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In a given data set how to identify if data is bias, high variance or noisy. How we can measure bias, variance and noise in a data?


Tags: bias, noise, variance

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Sanjiv, take a look at the article by Daniel Kahneman et al. in the October edition of HBR.  Professor Kahneman discusses noise and bias in this article very well.  Measuring them in a data set will depend on the nature of the data and what I call the "difference in pairs" will help you. HTH.


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