12 Best Free Online Courses for Data Science for Beginners in 2021
Are you a data science beginner and looking for the Best Free Online Courses for Data Science for Beginners?… If yes, then you are in the right place. In this article, I have listed the 12 best free online courses for data science for beginners. For these courses, You don’t need to pay a single buck.
So, give your few minutes to this article and find out the best free online courses for data science for beginners. Now, without any further ado, let’s get started-
Best Free Online Courses for Data Science for Beginners
1. Foundations of Data Science: K-Means Clustering in Python– Coursera
Rating- 4.6/5
Time to Complete- 29 hours
This is a free course offered by Coursera, where you will learn the core concepts of Data Science and covers basic mathematics, statistics, and programming skills. In this course, you will implement the K-means algorithm using Python programming. This course is a perfect balance between theory and practice and a good and useful course for learning the basics of data science.
Interested to Enroll?
If yes, then check out all details here- Foundations of Data Science: K-Means Clustering in Python
2. Intro to Data Science– Udacity
Time to complete- 2 Months
This is another completely free course to learn data science with Python. In this course, you will learn the fundamentals of data science, data wrangling, normal distribution, data visualization, and the basics of MapReduce.
In this course, you will work on a data science project end to end, from analyzing a dataset to visualizing and communicating your data analysis.
Interested to Enroll?
If yes, then check out all details here-Intro to Data Science
3. Intro to Data Analysis– Udacity
Time to Complete– 6 Weeks
This is a completely free course and a good first step towards understanding the data analysis process. In this course, you will learn the entire data analysis process including posing a question, data wrangling, exploring the data, drawing conclusions, and communicating your findings. This course will also teach Python libraries NumPy, Pandas, and Matplotlib.
Interested to Enroll?
If yes, then start learning-Intro to Data Analysis
4. Python For Data Science– Udemy
Rating- 4.4/5
Time to complete- 3hr 55min
This course teaches the Python basics for data science. And this course is good for those who are Data Science, Artificial Intelligence, Machine Learning, and Deep Learning Aspirants. This is not an advanced-level course, but good for understanding the Python basics.
Interested to Enroll?
If yes, then check out all details here- Python For Data Science
5. Introduction to Data Science– edX
Time to Complete- 6 Weeks
This free course is good for beginners to understand the basics of data science such as tools and algorithms used daily, skills needed to be a successful data scientist, the role of data science within a business, etc.
Interested to Enroll?
If yes, then check out all details here- Introduction to Data Science
6. Machine Learning by Stanford University– Coursera
Instructor- Andrew Ng
Rating- 4.9/5
Time to Complete- 60 hours
This is one of the Best Online Courses for Machine Learning. This course is created by Andrew Ng the Co-founder of Coursera, and an Adjunct Professor of Computer Science at Stanford University.
This Course provides you a broad introduction to machine learning, data-mining, and statistical pattern recognition.
All the math required for Machine Learning is well discussed in this course.
This course uses the open-source programming language Octave. Octave gives an easy way to understand the fundamentals of Machine Learning.
Interested to Enroll?
If yes, then check out all details here- Machine Learning by Stanford University
7. Probability and Statistics– Coursera
Rating- 4.6/5
Time to Complete- 16 hours
This free course is good for learning Probability and Statistics concepts for data science. In this course, you will learn how to quantify uncertainty with probability, descriptive statistics, point and interval estimation of means and proportions, the basics of hypothesis testing, etc.
Interested to Enroll?
If yes, then check out all details here- Probability and Statistics
8. Intro to Statistics- Udacity
Time to Complete- 2 Months
This is a completely FREE course for beginners and covers data visualization, probability, and many elementary statistics concepts like regression, hypothesis testing, and more.
In this course, you will also learn visualization and relationships in data, Probability with Bayes Rule and Correlation vs Causation, estimation with Maximum Likelihood, mean, median and mode, statistical inference, and regression analysis.
Interested to Enroll?
If yes, then start learning- Intro to Statistics
9. Data Visualization in Tableau– Udacity
Time to Complete- 3 Weeks
This free course will teach data visualization using Tableau. The course begins with the fundamentals of data visualization such as why visualization is so important in analytics, exploratory versus explanatory visualizations, and data types and ways to encode data.
Then you will learn design principles such as how to use chart type, color, size, and shape to get the most out of data visualizations. After learning design principles, you will learn Tableau and basic functions in Tableau, like inputting data and building charts.
This course also teaches how to build Tableau dashboards and how to create visualizations to tell stories with data.
Interested to Enroll?
If yes, then start learning- Data Visualization in Tableau
10. Learn Data Science With R– Udemy
Rating- 4.4/5
Time to Complete- 8hr 42min
This is a basic data science course, where you will learn what is Data Science, Data Types, Vectors, Factors, List, Matrices, Data Frames, and how to read Data from Files.
Interested to Enroll?
If yes, then check out all details here- Learn Data Science With R
11. SQL for Data Analysis– Udacity
Time to Complete- 4 weeks
This course is completely free and covers SQL to extract and analyze data stored in databases. SQL is used to perform data analysis in this course. First, you will learn SQL basics like how to extract data, SQL joins to join tables, and SQL aggregations.
Then you will learn how to perform complex analysis and manipulations using subqueries, temp tables, and window functions.
Interested to Enroll?
If yes, then start learning- SQL for Data Analysis
12. Python Basics for Data Science– edX
Time to Complete- 5 Weeks
This is a beginner-friendly free course to learn Python for data science. In this course, you will learn the Python basics (how to define variables in Python, Sets, conditional statements, and functions), how to operate on files to read and write data in Python, and how to use pandas for data analysis in Python.
Interested to Enroll?
If yes, then check out all details here- Python Basics for Data Science
And here the list ends. So, these are the 12 Best Free Online Courses for Data Science for Beginners. I will keep adding more programs and courses to this list.
Conclusion
I hope these Best Free Online Courses for Data Science for Beginners will help you to understand the data science basics. If you have any doubts or questions, feel free to ask me in the comment section.
All the Best!
Enjoy Learning!
NOTE- Some of the links in the post are Affiliate Links. This means if you click on the link and purchase the course, I will receive an affiliate commission at no extra cost to you😊.