AKAkash Kumarinakash-1.hashnode.dev·6d ago · 7 min readConfusion Matrix Explained with Examples | Machine Learning Evaluation Guide Confusion Matrix Explained with Examples When building a machine learning classification model, simply looking at accuracy isn't enough. Imagine a model that predicts whether a patient has cancer. If 00
SSimoninmy-ai-learning-plan.hashnode.dev·Jul 4 · 7 min readBuilding Decision Trees with Pandas and Scikit-learnThe Theory So what's a Decision Tree Regressor and how does it work?It's a regression model so it returns continuous numerical values. It gets a prediction by asking a series of yes/no questions about00
SSSilent Scribeinsilentscribejournal.hashnode.dev·Jul 4 · 4 min readFrom Study Hours to Scores: How Linear Regression Predicts the FutureImagine you're a parent trying to guess how many marks your child might score based on how many hours they study. You can't know the exact number, but you can make a smart, data-driven estimate — and 00
WTwajahat tajinai-ml-datascience-from-scratch.hashnode.dev·Jun 16 · 6 min readBuilding a Municipal AI Complaint System FastAPI, ML, PostgreSQL, and DockerI have been working on a project that I think is actually useful in a real-world context, a municipal complaint management system that uses machine learning to automatically categorize, score, and pri00
NNNaguru Navya Nikhithainneuralnotes-ai.hashnode.dev·Jun 1 · 4 min read10 Scikit-learn Functions Every ML Beginner Should KnowYou've cleaned your data. You've visualized it. Now it's time to build models. Scikit-learn is the most used machine learning library in Python. Here are the 10 functions you'll use in every single ML00
MMMungara Muddu Krishna Yadavinmuddukrishna.hashnode.dev·May 19 · 13 min readBuilding Bulletproof ML Pipelines: Feature Engineering, Scaling & Leakage-Free PreprocessingPart 2 of the ML Engineering series — where clean data meets production-ready code. Why pipelines matter more than your algorithm choice There's a humbling pattern every ML engineer eventually faces:10
RARoberto Andrade Fonsecainrandradedev.hashnode.dev·Apr 29 · 5 min readHeil Mary. Repensando la enseñanza de la física desde la ciencia ficciónHe pasado años enseñando ciencia y tecnología. Además soy un lector frecuente de la ciencia ficción, a veces con la misma intensidad con la que preparo una clase o aprendo sobre TIC o AI . En algún pu00
HHHenry Haindatabeginnersfriendlytutorials.hashnode.dev·Apr 15 · 26 min readCross-Validation, Pipelines & Hyperparameter Tuning with Scikit-learnWhen building a machine learning model, it's tempting to train it on your data, check the score, and call it done. But that score is misleading — the model has already "seen" the data it's being evalu00
AAAbstract Algorithmsinabstractalgorithms.hashnode.dev·Mar 29 · 19 min readFeature Engineering: Transforming Raw Data into ML-Ready FeaturesTLDR: 🛠️ Feature engineering transforms messy real-world data into ML-compatible input. Bad features break even the best models — good features make simple algorithms shine. This guide covers scaling00
DSDumpali Sharath chandra Reddyinhar-sharathcd.hashnode.dev·Mar 16 · 6 min readHow I Benchmarked 15 Machine Learning Algorithms for Human Activity Recognition — and Hit 0.9682 PrecisionBy Sharath Chandra Reddy Dumpali · M.S. Computer Science, University of New Haven The Problem Your smartphone knows when you're walking, running, or sitting — but how does it actually figure that out00