John Lenehan, Author at Towards Data Science https://towardsdatascience.com Publish AI, ML & data-science insights to a global community of data professionals. Thu, 23 Jan 2025 09:47:48 +0000 en-US hourly 1 https://wordpress.org/?v=6.8.1 https://towardsdatascience.com/wp-content/uploads/2025/02/cropped-Favicon-32x32.png John Lenehan, Author at Towards Data Science https://towardsdatascience.com 32 32 AI Mapping: Using Neural Networks to Identify House Numbers https://towardsdatascience.com/ai-mapping-using-neural-networks-to-identify-house-numbers-12f194a95d75/ Tue, 16 Apr 2024 15:28:05 +0000 https://towardsdatascience.com/ai-mapping-using-neural-networks-to-identify-house-numbers-12f194a95d75/ Comparing artificial and convolutional neural networks in classifying Google Street View house numbers

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]]> Farm to Table: The Workflow of a Classification Model https://towardsdatascience.com/farm-to-table-the-workflow-of-a-classification-model-7abc41989767/ Tue, 02 Apr 2024 05:29:13 +0000 https://towardsdatascience.com/farm-to-table-the-workflow-of-a-classification-model-7abc41989767/ Comparing logistic regression and random forest classification in recipe recommendations

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]]> Data at a Glance: Creating Dynamic Dashboards for Data Analytics https://towardsdatascience.com/data-at-a-glance-creating-dynamic-dashboards-for-data-analytics-1dce62fc6638/ Mon, 20 Nov 2023 03:10:30 +0000 https://towardsdatascience.com/data-at-a-glance-creating-dynamic-dashboards-for-data-analytics-1dce62fc6638/ Using Tableau to build interactive data visuals

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]]> Guide your Audience: Creating Compelling Narratives in your Presentation https://towardsdatascience.com/guide-your-audience-crafting-a-cohesive-narrative-from-the-data-4032538ff252/ Thu, 02 Nov 2023 06:34:48 +0000 https://towardsdatascience.com/guide-your-audience-crafting-a-cohesive-narrative-from-the-data-4032538ff252/ This article is the second in a series on crafting technical presentations, encompassing three key concepts I use to create compelling addresses – know your audience, guide your audience, and prepare for responses. To read the first of these articles you can follow the link below: Know Your Audience: A Guide to Preparing for Technical […]

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]]> Know Your Audience: A Guide to Preparing for Technical Presentations https://towardsdatascience.com/know-your-audience-a-guide-to-preparing-for-technical-presentations-1a83fdb21050/ Fri, 06 Oct 2023 05:34:10 +0000 https://towardsdatascience.com/know-your-audience-a-guide-to-preparing-for-technical-presentations-1a83fdb21050/ The ability to effectively present complex topics to an organization is a skill that clearly sets data professionals apart in the working world. It’s vital to distill intricate information into clear explanations when working with convoluted topics, and the success of this effort hinges on the ability to bridge the gap between complexity and comprehension. […]

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]]> Sampling Techniques in Data Analysis https://towardsdatascience.com/sampling-techniques-in-data-analysis-cea8f58b1fe7/ Wed, 06 Sep 2023 14:29:13 +0000 https://towardsdatascience.com/sampling-techniques-in-data-analysis-cea8f58b1fe7/ How to choose the right data sampling method for your data

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]]> Ink to Insights: Comparing SQL and Python Queries using Bookshop Analytics https://towardsdatascience.com/ink-to-insights-comparing-sql-and-python-queries-using-bookshop-analytics-90e3bb200671/ Fri, 01 Sep 2023 17:13:31 +0000 https://towardsdatascience.com/ink-to-insights-comparing-sql-and-python-queries-using-bookshop-analytics-90e3bb200671/ Which approach is better for your exploratory data analysis?

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]]> Data-Driven Dispatch https://towardsdatascience.com/data-driven-dispatch-76b7e998a7a7/ Fri, 04 Aug 2023 15:08:58 +0000 https://towardsdatascience.com/data-driven-dispatch-76b7e998a7a7/ Using supervised learning to predict service callouts to Chicago car collisions

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