Vadim Arzamasov, Author at Towards Data Science https://towardsdatascience.com Publish AI, ML & data-science insights to a global community of data professionals. Fri, 15 Aug 2025 15:04:53 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.3 https://towardsdatascience.com/wp-content/uploads/2025/02/cropped-Favicon-32x32.png Vadim Arzamasov, Author at Towards Data Science https://towardsdatascience.com 32 32 Decision Trees Natively Handle Categorical Data https://towardsdatascience.com/decision-trees-natively-handle-categorical-data/ Tue, 03 Jun 2025 18:27:12 +0000 https://towardsdatascience.com/?p=606200 But mean target encoding is their turbocharger

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]]> ML Metamorphosis: Chaining ML Models for Optimized Results https://towardsdatascience.com/ml-metamorphosis-chaining-ml-models-for-optimized-results-d89d952627a9/ Wed, 23 Oct 2024 04:09:37 +0000 https://towardsdatascience.com/ml-metamorphosis-chaining-ml-models-for-optimized-results-d89d952627a9/ The universal principle of knowledge distillation, model compression, and rule extraction

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]]> Optimizing Marketing Campaigns with Budgeted Multi-Armed Bandits https://towardsdatascience.com/optimizing-marketing-campaigns-with-budgeted-multi-armed-bandits-a65fccd61878/ Fri, 16 Aug 2024 14:17:21 +0000 https://towardsdatascience.com/optimizing-marketing-campaigns-with-budgeted-multi-armed-bandits-a65fccd61878/ With demos, our new solution, and a video

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]]> An Undeservedly Forgotten Correlation Coefficient https://towardsdatascience.com/an-undeservedly-forgotten-correlation-coefficient-86245ccb774c/ Tue, 30 Apr 2024 00:45:00 +0000 https://towardsdatascience.com/an-undeservedly-forgotten-correlation-coefficient-86245ccb774c/ A nonlinear correlation measure for your everyday tasks

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]]> A Benchmark and Taxonomy of Categorical Encoders https://towardsdatascience.com/a-benchmark-and-taxonomy-of-categorical-encoders-9b7a0dc47a8c/ Fri, 29 Mar 2024 04:38:41 +0000 https://towardsdatascience.com/a-benchmark-and-taxonomy-of-categorical-encoders-9b7a0dc47a8c/ New. Comprehensive. Extendable.

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]]> Find Unusual Segments in Your Data with Subgroup Discovery https://towardsdatascience.com/find-unusual-segments-in-your-data-with-subgroup-discovery-2661a586e60c/ Fri, 02 Feb 2024 14:46:14 +0000 https://towardsdatascience.com/find-unusual-segments-in-your-data-with-subgroup-discovery-2661a586e60c/ Patient rule induction method finds 35% better segments than previously reported

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