8-Chems

Building an End-to-End MLOps Portfolio Project with CI/CD In today's competitive data science landscape, demonstrating MLOps expertise is essential for landing senior roles. This comprehensive guide provides a concrete 8-week plan to build a production-grade machine learning project with complete CI/CD pipelines, automated testing, monitoring, and deployment—showcasing skills that set you apart from candidates who only build Jupyter notebooks. Introduction Most data science portfolios showcase exploratory data analysis and model training, but few demonstrate the ability to deploy and maintain models in production. CI/CD (Continuous Integration/Continuous Deployment) pipelines are critical infrastructure that automates testing, validation, and deployment of machine learning systems, ensuring reliability and reproducibility at scale. This guide presents a complete MLOps project structure focused on building a Sentiment Analysis API with full auto...

DAX: The Complete Guide – Functions, Concepts & Practical Examples Master Data Analysis Expressions (DAX) — the powerful formula language behind Microsoft Power BI, Excel Power Pivot, and SQL Server Analysis Services Tabular models. This comprehensive guide covers core concepts, essential functions, and real-world examples. Table of Contents 1. What is DAX? 2. Calculated Columns vs. Measures 3. Row Context & Filter Context 4. Essential DAX Functions 5. Aggregation Functions 6. Logical Functions 7. Text Functions 8. Date & Time Functions 9. Time Intelligence Functions 10. Iterator (X) Functions 1. What is DAX? Data Analysis Expressions (DAX) is a library of functions and operators used to build formulas and expressions in Microsoft’s ta...

Banking Data Science — Skills & Portfolio Guide Banking Data Science — Skills & Portfolio Guide Practical skills, application areas, and project ideas to build a strong banking-focused data science portfolio. 1. Core Application Areas Where data science is most impactful in banking. Domain Area Typical Use Case Example Credit Risk Modeling Predict probability of default Loan delinquency forecasting Fraud Detection Identify suspicious transactions Real-time card fraud alerts Customer Segmentation & Personalization Tailor offers and experiences Next-best-action recommendations ...

Insurance Data Science — Skills & Portfolio Guide Ins Insurance Data Science — Skills & Portfolio Guide Practical skills, application areas, and project ideas to build a strong insurance-focused data science portfolio. 1. Core Application Areas Where data science is most impactful in insurance. Domain Area Typical Use Case Example Risk Modeling Predict probability of claims Accident likelihood per driver Underwriting Automation Automate risk evaluation AI health risk scoring Pricing Optimization Optimize premiums Telematics-based dynamic pricing Fraud Detection Detect suspicious claims Graph-based fraud ring detection Claims Management Estimate claim cost & triage Repair cost estimation from photos Custom...

Best Free Platforms for Data Scientists and ML Practitioners — Hugging Face, Kaggle, Colab & SageMaker Lab Best Free Platforms for Data Scientists & ML Practitioners: Choose Wisely! Comparing Hugging Face Spaces, Kaggle Notebooks, Google Colab, and SageMaker Studio Lab 💡 Introduction As a data scientist or machine learning enthusiast, one of the first decisions you face is where to run your experiments . Should you go with Kaggle , Google Colab , Hugging Face Spaces , or SageMaker Studio Lab ? Each of these free platforms offers unique advantages — from GPU power and community support to reproducibility and sharing options. This post walks you through a practical comparison to help you make the best free choice for your workflow — whether you're tuning models, visualizing results, or deploying demos. ⚖️ Platform Comparison Table Feature Kaggle Notebooks Google Colab Hugging Face Spaces SageMaker Stu...

Getting Started with Tailwind CSS v4: A Beginner's Guide for Students - Google Developers Blog As a student diving into web development, you might feel overwhelmed by the sea of CSS frameworks and tools out there. Fear not! Today, we're spotlighting Tailwind CSS v4 —a utility-first CSS framework that's revolutionizing how developers (and aspiring ones like you) build modern, responsive websites. With its recent release in early 2025, v4 brings massive performance boosts, simplified setup, and exciting new features like automatic class detection and CSS-first theming. Whether you're building a class project, a personal portfolio, or just experimenting with front-end magic, Tailwind makes styling faster and more intuitive. In this extended guide, we'll walk through the basics of Tailwind v4, why it's a game-changer for students, and how to get hands-on with it. We'll cover setup, a mor...

This guide provides a structured framework for managing computer science projects focused on data processing, ETL pipelines, and data mining. It adapts Agile methodologies and modern tooling to address the unique challenges of data-intensive projects, including experimental workflows, data quality validation, and computational resource management. Project Management Framework for Data Projects Data engineering projects require a hybrid approach that balances Agile flexibility with scientific rigor. The iterative nature of data exploration and model development demands specialized tracking and validation practices. Core Methodologies for Data Projects 🔄 Data-Driven Agile Adapt Scrum with data-specific artifacts. Sprints should include: - Data Sprints : Focused on data acquisition, cleaning, and validation - Model Sprints : Dedicated to feature engineering, algorithm development, and training - Pipeline Sprints : Building and optimizing ETL/ELT workflows - Integration Sprin...