Perivitta Rajendran

AI Engineer :)

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Agentic AI: From Passive Models to Autonomous Systems

Agentic AI: From Passive Models to Autonomous Systems

November 10, 2025

An educational overview of Agentic AI, explaining how autonomous AI systems differ from traditional models, how...

A Beginner’s Guide to Agentic AI

A Beginner’s Guide to Agentic AI

November 09, 2025

An informative introduction to agentic AI, explaining its architecture, core components, and how autonomous AI systems...

Medical AI: Models, Data, and Evaluation in High-Risk Systems

Medical AI: Models, Data, and Evaluation in High-Risk Systems

November 06, 2025

A structured overview of medical AI systems, covering model types, data challenges, evaluation metrics, and the...

Why Governments Care About AI: Compute, Data, and Talent

Why Governments Care About AI: Compute, Data, and Talent

November 06, 2025

An explanatory look at why AI has become a national priority, focusing on the strategic importance...

K-Nearest Neighbors (KNN) — Part 1: Classification

K-Nearest Neighbors (KNN) — Part 1: Classification

October 05, 2025

Introductory guide to K-Nearest Neighbors for classification with code and intuition.

A Beginner’s Guide to Elastic Net Regression (L1 + L2 Regularization)

A Beginner’s Guide to Elastic Net Regression (L1 + L2 Regularization)

October 04, 2025

Elastic Net combines L1 and L2 penalties. Learn what Elastic Net is, why it helps, and...

A Beginner’s Guide to Lasso Regression (L1 Regularization)

A Beginner’s Guide to Lasso Regression (L1 Regularization)

October 03, 2025

Learn what Lasso Regression is, why it matters, and how it works step by step with...

A Beginner’s Guide to Ridge Regression (L2 Regularization)

A Beginner’s Guide to Ridge Regression (L2 Regularization)

October 02, 2025

Learn Ridge Regression (L2 regularization) step by step with beginner-friendly explanations, manual calculations, derivations, Python code,...

A Beginner’s Guide to Residual Sum of Squares (RSS)

A Beginner’s Guide to Residual Sum of Squares (RSS)

October 02, 2025

Learn what Residual Sum of Squares is, how it measures the difference between predicted and actual...

A Beginner’s Guide to Mean Absolute Error (MAE)

A Beginner’s Guide to Mean Absolute Error (MAE)

October 01, 2025

Learn Mean Absolute Error (MAE) with beginner-friendly guide to understand error metrics in machine learning and...

A Beginner’s Guide to R-Squared (R²)

A Beginner’s Guide to R-Squared (R²)

October 01, 2025

Understand R Squared, the coefficient of determination, and discover how it explains the proportion of variance...

A Beginner’s Guide to Root Mean Squared Error (RMSE)

A Beginner’s Guide to Root Mean Squared Error (RMSE)

September 29, 2025

Explore Root Mean Squared Error, its formula and interpretation, and see why it is one of...

Multiple Linear Regression Model

Multiple Linear Regression Model

August 26, 2024

A step by step explanation of multiple linear regression, covering the method, interpretation of coefficients, and...

Simple Linear Regression Model

Simple Linear Regression Model

August 25, 2024

An introduction to simple linear regression that explains how the model works, its assumptions, and how...