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Data Science Essentials

4.571 ratings at Great Learning Academy

Overview

To keep pace with the ever-changing landscape of data and its related fields, the handling and analysis of data have become increasingly important. That's why data science has become such a rapidly growing field, attracting millions of people who want to learn and master the subject.

Data Science is the study of information, its origins, meaning, and how it can be transformed into valuable resources and inputs to inform business and IT strategies. In this course, you will learn what data science is and why it's crucial in today's technology-driven world.

You will be introduced to the life cycle of data, the basics of statistics and time series analysis, as well as databases like SQL and NoSQL. After gaining an understanding of data, you will learn how to handle large amounts of data using Big Data techniques. This course provides a comprehensive introduction to the world of Data Science and its related topics.

Dr. Abhinanda Sarkar, Ph.D. from Stanford University and former MIT faculty, teach the course. He is the Academic Director at Great Learning for the Data Science and Machine Learning programs.

What you'll learn

  • Introduction to Data Science
  • Life Cycle of Data
  • A/B Testing
  • Time Series
  • SQL and NoSQL
  • Big Data

Syllabus 9

  1. What and Why Data Science?

    This module introduces the domain of Data Science, defining its purpose and explaining why it has become a critical field in the modern technological world.

  2. Lifecycle of Data Science

    This module covers the complete lifecycle of data, from collection and processing to analysis and communication of insights.

  3. Basic idea of Distribution

    This module focuses on the basic idea of statistical distributions, teaching you how to understand and interpret data patterns and variability.

  4. A/B Testing

    This module explores A/B testing, demonstrating how to design and execute experiments to compare two versions and determine which performs better.

  5. Time Series in Data Science

    This module teaches the fundamentals of time series analysis, covering techniques for analyzing data points collected over a sequence of time.

  6. Introduction to Data Science

    This section gives you various examples to help you understand Data Science. It explains how you decide on a place for the vacation, how the weather is predicted, and sales during a particular time in a year using data science.

  7. Big Data - 3Vs

    This module covers the concept of big data, focusing on the three key characteristics: volume, velocity, and variety.

  8. Introduction to SQL and NoSQL

    This module introduces database technologies, explaining the fundamental differences and use cases for both SQL and NoSQL databases in data science.

  9. SQL vs. NoSQL

    This module clarifies the distinction between SQL and NoSQL, detailing the pros and cons of each for various data storage and retrieval needs.

Advantages and disadvantages

Advantages

  • Free, short, with a free certificate.
  • Made in India, with examples Indian students will recognise.
  • Free certificate when you finish.
  • Completely free.
  • Self-paced: start any time.
  • A clear syllabus (9 parts) you can see before you start.

Disadvantages

  • Introductory; the certificate carries little weight with employers.
  • Expect follow-up calls and emails about paid programs.

Some points apply to every course of this kind; see how we rank.

Free, with a free certificate

  • Free: Sign up with your email or phone to watch.
  • Certificate: Free when you finish the videos and quiz.

Taught by

  • Dr. Abhinanda SarkarDr. Abhinanda Sarkar has B.Stat. and M.Stat. degrees from the Indian Statistical Institute (ISI) and a Ph.D. in Statist…

Great Learning is in Tier 4: commercial training companies and platform-made courses of our institution ranking (58/100).

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