Notes on data, AI, e-commerce, and the craft of building. Long-form essays from Malick Sarr.https://malicksarr.com/en-us© 2026 Malick Sarrhttps://malicksarr.com/writing/5-minimum-deposit-casino-australia-review/https://www.malicksarr.com/5-minimum-deposit-casino-australia-review/№1online casinos randomiuvgo ≡ Perksrandomiuvgo Slotsrandomiuvgo My Accountrandomiuvgo Supportrandomiuvgo 5 Minimum Deposit Casino Australia Review Welcome. Th…Sun, 08 Jun 2025 02:24:43 GMTUncategorizedMalick Sarrhttps://malicksarr.com/writing/working-with-none-null-python/https://www.malicksarr.com/working-with-none-null-python/Learn about working with None and in Python. Master best practices and avoid common pitfalls easily!Thu, 10 Oct 2024 16:04:43 GMTPythonMalick Sarrhttps://malicksarr.com/writing/python-cloud-setup/https://www.malicksarr.com/python-cloud-setup/Master Python cloud setup with easy guides on AWS, Azure, PythonAnywhere, and more. Let’s get coding in the cloud!Thu, 10 Oct 2024 13:56:25 GMTPythonSetting Up Python EnvironmentMalick Sarrhttps://malicksarr.com/writing/install-python-macos/https://www.malicksarr.com/install-python-macos/Easily install Python on macOS! Follow my step-by-step guide to configure IDEs and manage virtual environments.Thu, 10 Oct 2024 13:43:40 GMTPythonSetting Up Python EnvironmentMalick Sarrhttps://malicksarr.com/writing/setup-python-ide/https://www.malicksarr.com/setup-python-ide/Learn how to setup Python IDEs! From installation to advanced features, boost your coding game.Thu, 10 Oct 2024 10:40:16 GMTPythonSetting Up Python EnvironmentMalick Sarrhttps://malicksarr.com/writing/install-python-on-linux/https://www.malicksarr.com/install-python-on-linux/Learn how to install Python on Linux, manage environments, and configure IDEs with this friendly, step-by-step guide!Mon, 23 Sep 2024 22:38:18 GMTPythonSetting Up Python EnvironmentMalick Sarrhttps://malicksarr.com/writing/python-environment-variables/https://www.malicksarr.com/python-environment-variables/Learn how to manage Python environment variables effortlessly. 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Dive into this friendly introduction to Python and master the basics effortlessly.Wed, 11 Sep 2024 07:02:36 GMTPythonIntroduction to PythonMalick Sarrhttps://malicksarr.com/writing/python-vs-other-programming-languages/https://www.malicksarr.com/python-vs-other-programming-languages/Explore Python vs other programming languages! Discover its advantages, applications, and industry impact today!Wed, 11 Sep 2024 06:57:20 GMTPythonIntroduction to PythonMalick Sarrhttps://malicksarr.com/writing/python-use-cases/https://www.malicksarr.com/python-use-cases/Unleash your coding superpowers! Discover exciting Python use cases in web development, data science, and more today!Wed, 11 Sep 2024 06:47:39 GMTPythonIntroduction to PythonMalick Sarrhttps://malicksarr.com/writing/how-does-the-python-interpreter-works/https://www.malicksarr.com/how-does-the-python-interpreter-works/Discover how Python works interpreter in a friendly breakdown! Perfect for beginners and pros alike. Lets dive in!Mon, 09 Sep 2024 21:48:01 GMTPythonIntroduction to PythonMalick Sarrhttps://malicksarr.com/writing/python-version-differences/https://www.malicksarr.com/python-version-differences/Discover python version differences! Learn key changes, migration tips, and future outlook in a friendly guide.Mon, 09 Sep 2024 21:39:24 GMTPythonIntroduction to PythonMalick Sarrhttps://malicksarr.com/writing/python-development-environments/https://www.malicksarr.com/python-development-environments/Discover the best Python development environments and boost your coding efficiency with friendly insights and tips!Mon, 09 Sep 2024 16:16:00 GMTPythonIntroduction to PythonMalick Sarrhttps://malicksarr.com/writing/python-for-beginners/https://www.malicksarr.com/python-for-beginners/Unlock Python for beginners easily! 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You're not alone. There are different ways to build an enterprise apphttps:/…Mon, 03 Apr 2023 01:49:22 GMTGuest PostsOriginal ContentMalick Sarrhttps://malicksarr.com/writing/how-to-handle-an-unbalanced-dataset-by-downsampling/https://www.malicksarr.com/how-to-handle-an-unbalanced-dataset-by-downsampling/In this article, we will go over how we can handle unbalanced datasets through downsampling. We will see how to downsample with Python, why it is important, and…Sat, 10 Dec 2022 00:18:09 GMTData AnalysisData SciencePythonData ScienceData ScientistpreprocessingPythonMalick Sarrhttps://malicksarr.com/writing/what-corporate-activities-can-you-use-augmented-reality-with/https://www.malicksarr.com/what-corporate-activities-can-you-use-augmented-reality-with/Augmented reality AR is one of the most upandcoming technologies in the world right now. 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You have endless opportunities for growth and you get to be a part of innovations th…Mon, 15 Aug 2022 20:50:05 GMTGuest PostsOriginal ContentcodingeducationportfolioProgrammingMalick Sarrhttps://malicksarr.com/writing/no-code-development-tips/https://www.malicksarr.com/no-code-development-tips/Everything You Need to Know About NoCode Development The development of applications without code like the ones Python/writing/meanimputationinpython/ uses may…Wed, 29 Jun 2022 09:30:15 GMTGuest PostsOriginal ContentcodingeducationProgrammingPythonMalick Sarrhttps://malicksarr.com/writing/pros-and-cons-of-developing-applications-without-code/https://www.malicksarr.com/pros-and-cons-of-developing-applications-without-code/Everything You Need to Know About NoCode Development The development of applications without code like the ones Python/writing/meanimputationinpython/ uses may…Wed, 29 Jun 2022 09:20:55 GMTGuest PostsOriginal ContentcodingeducationProgrammingPythonMalick Sarrhttps://malicksarr.com/writing/7-reasons-why-your-kids-should-learn-how-to-code/https://www.malicksarr.com/7-reasons-why-your-kids-should-learn-how-to-code/The idea that kids should code has been gaining traction in recent years. 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We will not import this simulated or fake dataset from realworld…Sat, 25 Sep 2021 14:20:38 GMTData AnalysisData SciencePythonData ScienceData ScientistdatasetsPythonsklearnMalick Sarrhttps://malicksarr.com/writing/predicting-heart-disease/https://www.malicksarr.com/predicting-heart-disease/Predicting heart disease? Is that even possible? Well, it is indeed possible to predict the presence or absence of heart disease in a patient if you have access…Thu, 09 Sep 2021 17:25:31 GMTData ScienceMachine LearningOriginal ContentPythonResearchData ScienceData ScientistHealthcareMachine LearningMachine Learning ProjectsMalick Sarrhttps://malicksarr.com/writing/hyperparameter-tuning-with-grid-search-in-python/https://www.malicksarr.com/hyperparameter-tuning-with-grid-search-in-python/Hyperparameter Tuning with GridSearch CrossValidation CV is another technique to find the best parameters for your model. 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For every Machine Learning challenge, there exist nu…Mon, 05 Jul 2021 02:30:07 GMTData ScienceAIChoosing ModelData ScienceDeep LearningMachine LearningModel SelectionMalick Sarrhttps://malicksarr.com/writing/why-causality-in-machine-learning-is-an-problem/https://www.malicksarr.com/why-causality-in-machine-learning-is-an-problem/Causality in machine learning, what is it exactly? As humans, you understand that evil causes the ball to shift course. You know that the moment of hand is caus…Mon, 28 Jun 2021 09:19:01 GMTData ScienceDeep LearningMachine LearningAICausalityCausality in Machine LearningData ScienceDeep LearningMachine LearningMalick Sarrhttps://malicksarr.com/writing/why-is-deep-learning-called-deep-complete-deep-learning-definition/https://www.malicksarr.com/why-is-deep-learning-called-deep-complete-deep-learning-definition/Why Is Deep Learning Called Deep? You must have asked that question. In this post, I will attempt to answer that question and give a deep learning definition. I…Thu, 24 Jun 2021 00:16:38 GMTData ScienceDeep LearningMachine LearningAIAlgorithmsClusteringData ScienceDeep LearningMachine LearningSupervised LearningUnsupervised LearningMalick Sarrhttps://malicksarr.com/writing/type-of-machine-learning-algorithms-the-complete-overview/https://www.malicksarr.com/type-of-machine-learning-algorithms-the-complete-overview/Machine learning is done through the use of algorithms. Indeed, each type of Machine Learning algorithms has its particularities and applies to specific situati…Wed, 23 Jun 2021 15:05:38 GMTData ScienceMachine LearningAIAlgorithmsClusteringData ScienceMachine LearningSupervised LearningUnsupervised LearningMalick Sarrhttps://malicksarr.com/writing/gradient-descent-in-neural-network/https://www.malicksarr.com/gradient-descent-in-neural-network/Gradient Descent is a term that you will often hear in Neural Network. Indeed, the optimization/learning phase of Neural Network backpropagation use gradient de…Wed, 23 Jun 2021 01:18:49 GMTData ScienceMachine LearningAIData ScienceGradient DescentMachine LearningMalick Sarrhttps://malicksarr.com/writing/how-is-machine-learning-used-in-influencer-marketing/https://www.malicksarr.com/how-is-machine-learning-used-in-influencer-marketing/How can machine learning be possibly used in influencer marketing? Only superstars and a few passionate bloggers deemed influencers a decade ago. However, it ap…Mon, 21 Jun 2021 22:12:50 GMTData ScienceMachine LearningAIData ScienceInfluencer MarketingMachine LearningMarketingMalick Sarrhttps://malicksarr.com/writing/can-machine-learning-detect-fake-news/https://www.malicksarr.com/can-machine-learning-detect-fake-news/Can machine learning detect fake news? How does machine learning detect fake news? Those are interesting question that I was curious about. False news has conti…Sat, 19 Jun 2021 14:19:05 GMTData ScienceMachine LearningResearchData ScienceData ScientistFake newsFake news detection using machine learningMachine LearningMalick Sarrhttps://malicksarr.com/writing/how-to-organize-your-machine-learning-project/https://www.malicksarr.com/how-to-organize-your-machine-learning-project/Organize your machine learning project sounds like something straightforward to do. However, I've never paid much attention to it until I had to do it myself. W…Sat, 19 Jun 2021 10:25:00 GMTData ScienceMachine LearningResearchData ScienceData ScientistMachine LearningMachine Learning Project Planningmachine learning strategyPlanningstrategyMalick Sarrhttps://malicksarr.com/writing/why-do-machine-learning-strategies-fail/https://www.malicksarr.com/why-do-machine-learning-strategies-fail/Why do your machine learning strategies fail? What are the main causes for your machine learning strategies falling? In this post, I will try to give you some p…Sun, 13 Jun 2021 16:47:51 GMTData ScienceMachine LearningResearchData ScienceData ScientistMachine Learningmachine learning strategystrategyMalick Sarrhttps://malicksarr.com/writing/how-to-pick-your-data-annotation-tool/https://www.malicksarr.com/how-to-pick-your-data-annotation-tool/You've finished a large batch of raw data collection, and now you want to input that data into artificial intelligence AI systems so they can conduct humanlike…Sat, 12 Jun 2021 13:50:19 GMTData ScienceMachine LearningPythonData ScienceData Scientisthyperparameter tuningLinear RegressionMLPNeural NetworkssklearnTrain Test ValidationMalick Sarrhttps://malicksarr.com/writing/how-to-use-scikit-learn-in-a-machine-learning-project-for-beginner-sklearn-tutorial/https://www.malicksarr.com/how-to-use-scikit-learn-in-a-machine-learning-project-for-beginner-sklearn-tutorial/Sklearn or Sci Kit Learn is one of the most popular and most used libraries for machine learning. This article will attempt to give you a sklearn tutorial by ru…Wed, 09 Jun 2021 13:53:35 GMTData ScienceMachine LearningPythonData ScienceData Scientisthyperparameter tuningLinear RegressionMLPNeural NetworkssklearnTrain Test ValidationMalick Sarrhttps://malicksarr.com/writing/hyperparameter-tuning-with-random-search/https://www.malicksarr.com/hyperparameter-tuning-with-random-search/Hyperparameter tuning is a common task if you do machine learning. You will encounter and perform it multiple times if you plan to improve the performance of yo…Fri, 04 Jun 2021 17:53:57 GMTData AnalysisData ScienceMachine LearningPythonData ScienceData Scientisthyperparameter tuningsklearnMalick Sarrhttps://malicksarr.com/writing/split-train-test-validation-python/https://www.malicksarr.com/split-train-test-validation-python/Splitting data into train, test, and validation sets is a repetitive task. You will need to perform the split every time you run your machine learning models. I…Sun, 30 May 2021 14:43:54 GMTData AnalysisData SciencePythonb2bData ScienceData ScientistRecommendation enginesrecommendation systemsMalick Sarrhttps://malicksarr.com/writing/recommendation-engines-7-companies-to-try/https://www.malicksarr.com/recommendation-engines-7-companies-to-try/Recommendation engines, also known as personalization engines or recommendation software, help businesses recommend the right product or service to their custom…Sat, 22 May 2021 14:37:25 GMTData AnalysisData ScienceResearchb2bData ScienceData ScientistRecommendation enginesrecommendation systemsMalick Sarrhttps://malicksarr.com/writing/sql-data-science-most-common-queries-all-data-scientists-should-know/https://www.malicksarr.com/sql-data-science-most-common-queries-all-data-scientists-should-know/SQL is one of the top demanded skills in data science and data analysis. Indeed, SQL data science is mostly used to query the data you will be working with. It…Wed, 19 May 2021 23:20:46 GMTData ScienceSQLData ScienceData ScientistDatabaseSQLMalick Sarrhttps://malicksarr.com/writing/a-gentle-introduction-to-data-science-presentation-storytelling/https://www.malicksarr.com/a-gentle-introduction-to-data-science-presentation-storytelling/Data Science storytelling or data science presentation is one of the most underrated skills a data scientist can have. It is barely touched in most data science…Sat, 15 May 2021 20:01:17 GMTData AnalysisData ScienceData AnalyticsData ScienceData ScientistPresentionstorytellingMalick Sarrhttps://malicksarr.com/writing/are-data-science-and-machine-learning-the-same/https://www.malicksarr.com/are-data-science-and-machine-learning-the-same/Ever wondered if data science and machine learning the same? Well, Data science, machine learning, artificial intelligence, or deep learning are very confusing…Thu, 13 May 2021 02:46:05 GMTData AnalysisData ScienceMachine LearningData AnalyticsData ScienceData ScientistMachine LearningMalick Sarrhttps://malicksarr.com/writing/are-data-science-jobs-in-demand/https://www.malicksarr.com/are-data-science-jobs-in-demand/Are data science jobs in demand? Well, The key to the effective and impactful use of big data is data scientists. Data scientists manipulate large and unstructu…Sun, 02 May 2021 17:13:39 GMTData AnalysisData ScienceMachine LearningData AnalyticsData ScienceData ScientistData VisualizationMachine LearningMalick Sarrhttps://malicksarr.com/writing/best-data-visualization-platform/https://www.malicksarr.com/best-data-visualization-platform/Data visualization platforms are very useful tools now that businesses can capture customer experiences through various technologies. It allows them to identify…Sun, 02 May 2021 14:04:32 GMTData AnalysisData ScienceMachine LearningData AnalyticsData ScienceData ScientistData VisualizationMachine LearningMalick Sarrhttps://malicksarr.com/writing/top-10-exploratory-data-analysis-eda-libraries/https://www.malicksarr.com/top-10-exploratory-data-analysis-eda-libraries/Exploratory Data Analysis EDA is an essential step in the data science project lifecycle. All data scientists have to do this step to get a better understanding…Mon, 26 Apr 2021 19:49:58 GMTData AnalysisData ScienceMachine LearningData AnalyticsData ScienceData ScientistEDAExploratory Data AnalysisMachine LearningMalick Sarrhttps://malicksarr.com/writing/can-data-science-be-automated/https://www.malicksarr.com/can-data-science-be-automated/The advent of artificial intelligence, automation, and bots has lead us to think about whether data science is automated? Or, is automated data science going to…Wed, 21 Apr 2021 01:40:12 GMTData ScienceResearchData AnalyticsData ScienceData ScientistMachine LearningMalick Sarrhttps://malicksarr.com/writing/importance-of-machine-learning/https://www.malicksarr.com/importance-of-machine-learning/The idea of machine learning is gaining more popularity with each passing day, and one thing we can say about this trend of machine learning is that it is here…Fri, 16 Apr 2021 14:13:21 GMTMachine LearningResearchData AnalyticsData ScienceData ScientistMachine LearningMalick Sarrhttps://malicksarr.com/writing/how-machine-learning-is-used-in-cybersecurity/https://www.malicksarr.com/how-machine-learning-is-used-in-cybersecurity/Machine learning is a subset of artificial intelligence. From realtime cybercrime mapping to penetration testing, machine learning has become a crucial part of…Fri, 16 Apr 2021 02:13:37 GMTMachine LearningResearchData AnalyticsData ScienceData ScientistMachine LearningMalick Sarrhttps://malicksarr.com/writing/why-is-data-science-important/https://www.malicksarr.com/why-is-data-science-important/Why is data science important? It is a question that a lot of people ask me, especially if they are not familiar with the industry. Data science, data scientist…Mon, 12 Apr 2021 02:09:40 GMTData AnalysisData ScienceOriginal ContentResearchData AnalyticsData ScienceData ScientistMachine LearningMalick Sarrhttps://malicksarr.com/writing/ai-and-non-ai-implementation-of-eco-driving-techniques-iot/https://www.malicksarr.com/ai-and-non-ai-implementation-of-eco-driving-techniques-iot/Transport is a vital part of our modern economies as the quality of most of our life depends on the modern, accessible and efficient transport system. The devel…Thu, 25 Mar 2021 21:41:34 GMTData ScienceOriginal ContentResearchAIartificial intelligenceeco drivingOCoriginal contentresearchMalick Sarrhttps://malicksarr.com/writing/how-to-calculate-the-customer-retention-rate-crr-shopify-python-example/https://www.malicksarr.com/how-to-calculate-the-customer-retention-rate-crr-shopify-python-example/The Customer Retention Rate CRR is an important measure often requested by managers in an online business. You can think of it as the rate at which customers co…Thu, 18 Mar 2021 03:09:29 GMTData AnalysisData SciencePythonCRRCustomer Retention RateData AnalysisPythonShopifyMalick Sarrhttps://malicksarr.com/writing/google-analytics-how-to-get-your-top-n-products-by-location/https://www.malicksarr.com/google-analytics-how-to-get-your-top-n-products-by-location/Google Analytics GA is a fantastic tool that allows you to understand what goes into your website. However, you cannot answer all of your questions using GA. On…Tue, 16 Mar 2021 19:04:37 GMTData AnalysisData ScienceGoogle AnalyticsPythonData AnalysisData ScienceExcelGoogle AnalyticsPythonMalick Sarrhttps://malicksarr.com/writing/how-to-stay-motivated-as-a-freelancer/https://www.malicksarr.com/how-to-stay-motivated-as-a-freelancer/The lack of motivation is, in my opinion, amongst the top reasons why people fail in freelancing. As humans, when we first have an idea, we naturally tend to be…Sat, 13 Mar 2021 22:07:06 GMTFreelancingOriginal ContentMalick Sarrhttps://malicksarr.com/writing/unfolding-the-mystery-of-the-zipfs-law/https://www.malicksarr.com/unfolding-the-mystery-of-the-zipfs-law/The world is a very complex place. It has very complex events. Yet, no matter how complex those events are, an interesting phenomenon called the Zipf’s law happ…Mon, 08 Mar 2021 14:30:14 GMTOriginal ContentRStatisticsMalick Sarrhttps://malicksarr.com/writing/networkx-import-manipulate-visualize-network-python/https://www.malicksarr.com/networkx-import-manipulate-visualize-network-python/Networkx is a fantastic tool that we can use in python in order to build a network. In this article, I will be showing the basic functionalities of NetworkX by…Wed, 03 Mar 2021 02:58:57 GMTData AnalysisData ScienceMachine LearningPythonMalick Sarrhttps://malicksarr.com/writing/how-to-publish-from-r-markdown-to-wordpress/https://www.malicksarr.com/how-to-publish-from-r-markdown-to-wordpress/R Markdown is a fantastic tool if you want to present a clean piece of code. It is very useful for any data scientist that wishes to share their work. Should yo…Tue, 02 Mar 2021 17:45:28 GMTRMalick Sarrhttps://malicksarr.com/writing/difference-between-data-scientist-data-analyst-big-data-and-machine-learning-specialist/https://www.malicksarr.com/difference-between-data-scientist-data-analyst-big-data-and-machine-learning-specialist/In the field of Data, you often hear recurring terms like machine learning, data mining, data science, etc. For somebody new in the field, those terms can be qu…Sun, 21 Feb 2021 04:16:47 GMTData AnalysisData ScienceMachine LearningMalick Sarrhttps://malicksarr.com/writing/simulating-10-000-tic-tac-toe-games/https://www.malicksarr.com/simulating-10-000-tic-tac-toe-games/Tic Tac Toe game is amongst the very first paperandpencil game one learns. Its principle is rather very simple; two players put their marks X or O on a $latex 3…Mon, 25 Jan 2021 00:16:01 GMTRStatisticsProgrammingRSimulationStatisticsMalick Sarrhttps://malicksarr.com/writing/brand-identity-with-code/https://www.malicksarr.com/brand-identity-with-code/Creating a digital representation of a brand's values, personality, and message through web design, user experience, and visual elements. This can include custo…Tue, 28 Apr 2020 20:13:03 GMTCodecodehtmlpluginwordpressMalick Sarrhttps://malicksarr.com/writing/data-center-infrastructure/https://www.malicksarr.com/data-center-infrastructure/Servers, storage systems, networking equipment, and cooling systems. It plays a crucial role in ensuring the reliability, performance, and scalability of the da…Tue, 28 Apr 2020 20:12:19 GMTCodecodehtmlpluginwordpressMalick Sarrhttps://malicksarr.com/writing/music-player-design/https://www.malicksarr.com/music-player-design/When designing a music player, it is important to consider userfriendly features such as intuitive navigation, customizable settings, and a visually appealing i…Tue, 28 Apr 2020 20:11:30 GMTDesignMusiccodehtmlpluginwordpressMalick Sarrhttps://malicksarr.com/writing/data-analytics-dashboard/https://www.malicksarr.com/data-analytics-dashboard/Dashboard is a tool that visually displays and summarizes data from various sources to provide insights and facilitate decisionmaking. By presenting key metrics…Tue, 28 Apr 2020 20:09:25 GMTCodeDesigncodehtmlpluginwordpressMalick Sarrhttps://malicksarr.com/writing/creativity-is-more-than/https://www.malicksarr.com/creativity-is-more-than/Ex audire suavitate has, ei quodsi tacimates sapientem sed, pri zril ubique ut. Te cule tation munere noluisse. Enim torquatos ne pri, eum mollis salutandi corr…Tue, 28 Apr 2020 20:07:14 GMTDesigncodehtmlpluginwordpressMalick Sarr