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Managing the bias-variance trade-off at scale by John Karlsson, Kyra Wulffert, Maria Zervou    Introduction When building machine learning models on datasets that are segmented by categorical groups, such as various store locations or product categor...

Detecting fraudulent purchases presents a significant challenge in industries with complex procurement processes, such as manufacturing, utilities, or public sector organisations. Vendors might engage in overcharging, false invoicing, or submitting d...