Siksha Sarovar

Siksha Sarovar (sikshasarovar.com) is a free educational web application that helps students in India learn programming and prepare for academic and competitive exams. The platform offers structured coding courses (C, C++, Python, Java, HTML, CSS, PHP, Power BI, AI, Machine Learning, Data Science), complete university curriculum notes for BCA/MCA students with previous year question papers, Class 10 and Class 12 CBSE/HBSE school notes, and dedicated preparation material for SSC, UPSC, Banking, Railway and other government exams. Browsing the site is completely free and requires no account. Users may optionally sign in with Google solely to save their learning progress, quiz scores and personal preferences across devices.

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Siksha Sarovar is a free e-learning platform for coding courses, BCA university notes and competitive exam preparation. Optional Google sign-in saves your learning progress across devices.

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Unit 1: Foundation of Data Science

Lesson 1 of 37 in the free Data Science notes on Siksha Sarovar, written by Rohit Jangra.

Unit 1: Foundation of Data Science

This unit establishes the groundwork for understanding Data Science as a discipline. We will explore the fundamental concepts, the complete lifecycle of a data science project, the various professional roles within the industry, real-world applications across sectors, and the foundational concepts of Big Data and data types.

Key Topics Covered:

  1. What is Data Science? — Understanding the interdisciplinary field that combines statistics, computer science, and domain expertise.
  2. Data Science Lifecycle — The step-by-step iterative process from problem definition to actionable insights.
  3. Roles in Data Science — Differentiating between Data Analyst, Data Scientist, and Data Engineer.
  4. Applications of Data Science — Real-world use cases across healthcare, finance, e-commerce, and more.
  5. Introduction to Big Data — The 5 Vs and why traditional tools fail.
  6. Types of Data — Structured, Unstructured, and Semi-Structured data categories.