{"id":213568,"date":"2025-06-23T11:32:13","date_gmt":"2025-06-23T09:32:13","guid":{"rendered":"https://www.aivancity.ai/blog/?p=213568"},"modified":"2025-06-23T11:41:59","modified_gmt":"2025-06-23T09:41:59","slug":"machine-learning-en-python-ce-que-change-la-version-1-7-de-scikit-learn","status":"publish","type":"post","link":"https://aivancity.ai/blog/machine-learning-en-python-ce-que-change-la-version-1-7-de-scikit-learn/","title":{"rendered":"Machine learning en Python : ce que change la version 1.7 de Scikit-learn"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-d0cd0d3c1960dd6a7b0decc30fbc7c8e\" style=\"color:#986e13\">What does the latest update to Scikit-learn reveal about the evolution of traditional machine learning?</h2>\n\n\n\n<p class=\"text-justify\">Machine learning relies on algorithms capable of detecting patterns in data to generate predictions or classifications. To facilitate the development of these models, developers rely on <strong>open-source libraries</strong>: sets of pre-built tools designed to save time, ensure reproducibility, and standardize best practices.</p>\n\n\n\n<p class=\"text-justify\">Among them, <strong>Scikit-learn</strong> has established itself over the past decade as a standard in the Python ecosystem. Designed for supervised and unsupervised machine learning, it offers a consistent interface for a wide variety of algorithms (regression, classification, clustering, etc.). Accessible to both beginners and experts, this library is now ubiquitous in educational, industrial, and scientific projects.</p>\n\n\n\n<p class=\"text-justify\">The release of version 1.7 on June 5, 2025, underscores this trend of continuous evolution. Without introducing any major changes, this update significantly improves performance, usability, and the integration of recent tools, at a time when demands for reproducibility, large-scale processing, and explainability are growing.</p>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-f28f8ebf4adea0c82725a4852d291fa1\" style=\"color:#986e13\">New features designed to enhance performance and responsiveness</h2>\n\n\n\n<p class=\"text-justify\">Version 1.7 introduces significant improvements designed to make the library easier to use while optimizing its computational capabilities.</p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\"><strong>A new parallelization engine based on Loky 4.1</strong>: this update significantly reduces processing times during cross-validation, with a performance gain of 20 to 30% on medium-sized datasets<sup><a href=\"#ref1\">1</a></sup>.</li>\n\n\n\n<li class=\"text-justify\"><strong>Optimization of HistGradientBoostingClassifier: </strong> Previous versions already included this high-performance classifier. Version 1.7 improves its execution speed (by an average of 15%) and its handling of missing data.</li>\n\n\n\n<li class=\"text-justify\"><strong>The `copy` parameter has been added to several estimators</strong>: this improvement enhances memory management and efficiency in long pipelines, particularly in cloud or embedded environments.</li>\n\n\n\n<li class=\"text-justify\"><strong>The permutation_importance function has been redesigned: </strong>it <strong data-wg-splitted>now </strong>supports more Pipeline objects, making it easier to analyze the importance of variables in automated processes.</li>\n</ul>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-ea134719c09d76f00307af9dbc73079f\" style=\"color:#986e13\">A smoother user experience</h2>\n\n\n\n<p>The Scikit-learn community has emphasized usability and standardization:</p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\"><strong>More descriptive error messages</strong>: Type errors and incompatibilities are handled more effectively, which enhances the learning experience during the prototyping phase.</li>\n\n\n\n<li class=\"text-justify\"><strong>Improved compatibility with Pandas 2.2 and NumPy 2.0</strong>: a key factor in maintaining a consistent ecosystem in Python scientific computing environments.</li>\n\n\n\n<li class=\"text-justify\"><strong>Enhanced support for sparse dataframes:</strong> a valuable asset for processing text data or highly sparse datasets.</li>\n</ul>\n\n\n\n<p class=\"text-justify\">These changes do not fundamentally alter the principles of the Scikit-learn API (which is still based on .fit(), .predict(), and .transform()), but they are part of an ongoing effort to make the code more readable, reusable, and efficient.</p>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-48edf9d9ffd812b46ad626943827e390\" style=\"color:#986e13\">Use cases and adoption in the workplace</h2>\n\n\n\n<p class=\"text-justify\">Scikit-learn remains a cornerstone of \"traditional\" machine learning, particularly valued for:</p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Interpretable models</strong>, which are highly valued in regulated sectors (healthcare, finance, the public sector);</li>\n\n\n\n<li><strong>Rapid deployment of models</strong> via standard pipelines;</li>\n\n\n\n<li><strong>Integration into data processing workflows</strong> compatible with pandas, NumPy, or joblib.</li>\n</ul>\n\n\n\n<p>For example:</p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"text-justify\">At Airbus, Scikit-learn is used for predictive maintenance systems based on aircraft sensors, with a preference for robust models such as Random Forest<sup><a href=\"#ref2\">2</a></sup>.</li>\n\n\n\n<li class=\"text-justify\">In the banking sector, Crédit Agricole Assurances uses LogisticRegression and GradientBoostingClassifier to detect fraud in large volumes of structured data<sup><a href=\"#ref3\">3</a></sup>.</li>\n\n\n\n<li class=\"text-justify\">The startup MedStat.ai combines Scikit-learn with FastAPI to deploy patient scoring tools for personalized oncology, with a strong emphasis on code auditability<sup><a href=\"#ref4\">4</a></sup>.</li>\n</ul>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-18cba371cab332b00818640acae58186\" style=\"color:#986e13\">Toward Complementarity with Deep Learning Frameworks</h2>\n\n\n\n<p class=\"text-justify\">While Scikit-learn is not intended to compete with PyTorch or TensorFlow in the realm of deep learning models, integration with these libraries is facilitated through:</p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wrappers that allow you to combine Torch models with Scikit-learn pipelines;</li>\n\n\n\n<li class=\"text-justify\">Compatibility with ONNX for exporting certain models to standardized formats suitable for production use;</li>\n\n\n\n<li>Enhanced integration in hybrid notebooks using AutoML blocks.</li>\n</ul>\n\n\n\n<p class=\"text-justify\">This coexistence of frameworks reflects a fundamental trend: that of modular machine learning, where tools are chosen for their relevance, interpretability, and maintainability.</p>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-f25f51c63ee76411ddc25ebb730db231\" style=\"color:#986e13\">A roadmap focused on efficiency and explainability</h2>\n\n\n\n<p>According to core developer Thomas Fan, future versions are expected to focus on:</p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The integration of new, more lightweight estimators;</li>\n\n\n\n<li>Native GPU support for certain operations;</li>\n\n\n\n<li class=\"text-justify\">Improved compatibility with modeling workflows focused on ethics and traceability (using SHAP, LIME, or Fairlearn).</li>\n</ul>\n\n\n\n<h2 class=\"wp-block-heading has-text-color has-link-color wp-elements-aa8f0ed143aa48e26618a1d0999f8fc1\" style=\"color:#986e13\">Responsible AI also relies on well-designed tools</h2>\n\n\n\n<p class=\"text-justify\">By facilitating robust, reproducible, and interpretable modeling, Scikit-learn continues to play a fundamental role in the development of responsible and accessible AI. While version 1.7 does not revolutionize the ecosystem, it reinforces this position by adapting to the expectations of tomorrow’s researchers, data scientists, and engineers.</p>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color wp-elements-19fdafd4a8441eb61b5d0fa20a78a13b\" style=\"color:#5a5e83\">References</h3>\n\n\n\n<p id=\"ref1\" style=\"text-align:justify;\">1. Scikit-learn Developers. (2025). Release Highlights for 1.7. <br/> <a href=\"https://scikit-learn.org/stable/whats_new/v1.7.html\">https://scikit-learn.org/stable/whats_new/v1.7.html</a>\n</p>\n\n\n\n<p id=\"ref2\" style=\"text-align:justify;\">2. Airbus AI Lab. (2024). Predictive Maintenance at Scale. <br/> \n<a href=\"https://www.airbus.com/en/innovation/digitalisation\" target=\"_blank\">https://www.airbus.com/en/innovation/digitalisation</a>\n</p>\n\n\n\n<p id=\"ref3\" style=\"text-align:justify;\">3. Crédit Agricole Assurances. (2023). AI and Fraud Detection: Toward Enhanced Governance.  <br/> \n<a href=\"https://www.ca-assurances.com/\" target=\"_blank\">https://www.ca-assurances.com/</a>\n</p>\n\n\n\n<p id=\"ref4\" style=\"text-align:justify;\">4. MedStat.ai. (2025). Medical Scoring System powered by ML.  <br/> \n<a href=\"https://www.medstat.ai/\" target=\"_blank\">https://www.medstat.ai/</a>\n</p>\n","protected":false},"excerpt":{"rendered":"<p>The release of version 1.7 on June 5, 2025, underscores this trend of continuous evolution. Without introducing any major changes, this update significantly improves performance, usability, and the integration of recent tools, at a time when demands for reproducibility, large-scale processing, and explainability are growing.</p>\n","protected":false},"author":2,"featured_media":213569,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[44],"tags":[59],"class_list":{"0":"post-213568","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-avancees-technologiques-en-ia","8":"tag-parlonsia"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https://yoast.com/product/yoast-seo-wordpress/ -->\n<title>Machine Learning in Python: What's New in Scikit-learn Version 1.7</title>\n<meta name=\"description\" content=\"Scikit-learn 1.7 brings major improvements in performance, usability, and compatibility. 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