The latest articles on DEV Community by Anushi Amarasinghe (@anushi_amarasinghe). https://dev.to/anushi_amarasinghe https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3119846%2F241bd959-49b2-4020-8766-bebe15b43e0b.png https://dev.to/anushi_amarasinghe en Anushi Amarasinghe Sat, 03 May 2025 15:58:45 +0000 https://dev.to/anushi_amarasinghe/what-is-data-science-and-why-it-matters-today-a-beginners-roadmap-2aal https://dev.to/anushi_amarasinghe/what-is-data-science-and-why-it-matters-today-a-beginners-roadmap-2aal <p>Have you ever wondered how Netflix knows what to recommend? Or how your bank detects fraud? The answer lies in <strong>data science</strong></p> <p>In this article, I’ll explain what data science is, why it’s so important today, and share a beginner-friendly roadmap to help you get started.</p> <p><strong>What is data science?</strong></p> <p>At its core, it is the art of extracting knowledge from data. It combines:</p> <ul> <li>Mathematics</li> <li>Statistics</li> <li>Programming With data science, we can discover patterns, make predictions, and solve real-world problems using data.</li> </ul> <p><strong>Why is Data Science Important Today?</strong></p> <p>We live in a world where <strong>data is everywhere</strong>. But data alone is not enough. We need data science to understand it and use it effectively.</p> <p><strong>Beginner’s Roadmap to Learn Data Science</strong></p> <p>You don’t need to be a math expert to start! Here’s a practical path you can follow:</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fx6p6wgafkz5p9euvc0wz.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fx6p6wgafkz5p9euvc0wz.png" alt="Image description" width="800" height="689"></a></p> datascience beginners