Regression, Personalisation, and the Kaggle Syndrome

Recently, I worked on a prediction case study using the Kaggle Black Friday Prediction dataset, which was created six years ago and has been downloaded over 32,000 times. While there are over 100 publicly available notebooks on Kaggle for this dataset, and even more available elsewhere, I found that most of these solutions were poorly implemented.

It is not helpful to simply point out the flaws in others’ work. However, when many people make …

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