haskell / haskell/statistics

Bootstrap for linear regression could return NaN

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Bug
主要语言
Haskell
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309
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描述

Problem is simple. During resampling we can get sample where all `x` are same. This means we get singular matrix when solving linear equation and answer will be NaN which contaminate everything.

Originally reported as https://github.com/bos/criterion/issues/65

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