Why Machine Learning Models Degrade In Production

Alexandre Gonfalonieri
Towards Data Science
7 min readJul 25, 2019

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After several failed ML projects due to unexpected ML degradation, I wanted to share my experience in ML models degradation. Indeed, there is a lot of hype around model creation and development phase, as opposed to model maintenance.

Assuming that a Machine Learning solution will work perfectly without maintenance once in production is a faulty assumption and represents the most

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