My Favorite Free Courses to Learn Data Science in Depth
Tags: datascience, machinelearning, sql, python
Published: 2023-05-19 05:16:16

---
title: My Favorite Free Courses to Learn Data Science in Depth
published: true
description: These are the best free online courses and Data Science certifications for beginners
tags: datascience, machinelearning, sql, python
cover_image: https://dev-to-uploads.s3.amazonaws.com/uploads/articles/vm1ppaw5wtz2p1d8l895.png
# Use a ratio of 100:42 for best results.
# published_at: 2023-05-16 01:22 +0000
---
*Disclosure: This post includes affiliate links; I may receive compensation if you purchase products or services from the different links provided in this article.*

[![free Udemy and Coursera courses for datascience](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/4p8hxs0dli77fcuxyqt0.png)](https://imp.i115008.net/c/3294490/786224/11298?u=https%3A%2F%2Fwww.udacity.com%2Fcourse%2Fintro-to-data-science--ud359)

Hello Devs, Data Science, and Data Analysis are two of the most in-demand skills in the current technology market. Both big and small companies are looking for expert data analysts and data scientist to improve their sales, profit, and overall business process. 

If you want to learn [Data Science](https://www.java67.com/2018/10/top-10-data-science-and-machine-learning-courses.html) and [Data Analysis](https://javarevisited.blogspot.com/2019/10/top-5-courses-to-learn-pandas-for-data-analysis-python.html) and looking for free online training courses, tutorials, books, and resources to start your career, then you have come to the right place. 

Earlier, I shared the [**best Data Science courses**](https://medium.com/javarevisited/my-favorite-data-science-and-machine-learning-courses-from-coursera-udemy-and-pluralsight-eafc73acc73f) and [books](https://medium.com/javarevisited/top-10-resources-to-learn-data-science-and-machine-learning-best-of-lot-f153e1f44e89), and in this article, I will share **free Data Science courses from Udemy and Coursera** for both beginners and experienced programmers. 

You can join these courses to learn Data Science from scratch. They are also good to fill gaps in your knowledge if you are already doing Data Analysis, and the significant point is that they are completely FREE.

If you look around, the majority of the companies are running around for data. Some are looking for the user's personal data, whereas some are looking for professional details of the user.

For the last decade, every company needed data to sell their products. Data comes in handy in several industrial processes. Products are being developed after proper data analysis of different users.

These days, companies are looking for experts who can handle data for them. They need data analysts, and since it's a very new profession, little competition is there. Besides this, companies are ready to pay good salaries to data analysts.

If you are looking for a career in this field, you need to learn the basics of data analysis, and for that you need resources. If you are fond of free resources or like to learn from then then you I have shared a lot of them to learn esential data science toosl and skills like [**free courses to learn machine learning**](https://www.java67.com/2019/01/5-free-courses-to-learn-machine-and-deep-learning-in-2019.html) and [**Microsoft Excel**](https://www.java67.com/2020/07/5-free-microsoft-excel-xls-or-xlsx-courses-for-beginners.html). 

In this article, I have curated a list of the best free Udemy courses and  [**free Coursera courses for learning data science**](https://medium.com/javarevisited/coursera-and-johns-hopkins-data-science-specialization-review-7ed48d18cc16) and improving your skills even if you already working in this field. 

They aim to target beginners and intermediates Data Science practitioners, but even if you know Data Science, you can use these free online courses to fill gaps in your learning. They are taught by experts, and there is always something to learn. 

Btw, if you don't mind paying a few bucks to learn an in-demand skill like Data Science and need a comprehensive, well structured, and up-to-date course, then you can also join this [**Google Data Analytics Professional Certificate**](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Fprofessional-certificates%2Fgoogle-data-analytics), a high-end program by Google itself to teach you everything about Data. More than 686,000 are already enrolled in this program, making it the most popular Coursera Professional certificate.


[![best Data Analysis certificate](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/vm1ppaw5wtz2p1d8l895.png)](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Fprofessional-certificates%2Fgoogle-data-analytics)



## 10 Best Free Data Science + Data Analysis Courses to Learn in 2024
Here is a list of the best online courses you can join to become a Data Analyst. These courses have been created by experts and trusted by many developers around the world. 

They are also very affordable as Coursera courses are free, and Udemy courses can be bought for just $10 on [Udemy sales](https://medium.com/javarevisited/top-15-java-and-spring-framework-courses-from-udemy-best-of-lot-d7b965b62a9f).

### 1\. [An Introduction to Data Science](https://click.linksynergy.com/deeplink?id=JVFxdTr9V80&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fan-introduction-to-data-science%2F&u1=JAVAREVISITED) - [Udemy Free Course]

This is one of the best free Udemy courses to learn Data Science. If you are a visual learner, this course is the best pick for you. Through this course, you'll learn to handle the data efficiently. In Data analysis, you need to have skills that will help you filter out the most essential data from a pile of unwanted data.

This course will help you develop these skills; besides, you will learn about data science and its history.

Apart from this, this course will provide you a road map to that master the data analysis field. After this course, you will easily distinguish between noise and real information.

The most important feature of this course is that it's a short and simple course that provides you value every second. This is a 44-minute video course and over 2100 students have enrolled in it so far.

[![5 FREE Online Courses to Learn Data Science for Beginners](https://1.bp.blogspot.com/-nKPpGMcYBds/XymCPCuX-JI/AAAAAAAAiDE/zQGXGtVLIQY4iOckjqY-R3A4t9fxso1LgCLcBGAsYHQ/w501-h238/Intro%2Bto%2BData%2Bfor%2BData%2BScience%2B-%2BEdureka%2Bcourse.jpg)](https://click.linksynergy.com/deeplink?id=JVFxdTr9V80&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fan-introduction-to-data-science%2F&u1=JAVAREVISITED)


----

### 2\. [Excel Data Visualization for Business Analysts](https://click.linksynergy.com/deeplink?id=JVFxdTr9V80&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fexcel-data-visualization-for-business-analysts%2F&u1=JAVAREVISITED) [Free Udemy Course]

This is another free online course from Udemy to learn Data Visualization. This course specifically deals with data stored in excel sheets. If you look into the industry that deals with data, you'll understand how vital excel sheets are.

Every company has a department that deals with data, and this department is termed the data analyst department.

To lead a successful professional career as a data analyst, you need to have an idea about excel sheets and their delivery. This course will help you get that vision. Instructors will help you build the skills to [visualize the data](https://javarevisited.blogspot.com/2019/09/top-5-courses-to-learn-microsoft-excel-macros-vba-and-data-visualization.html) to extract the most essential fields quickly and efficiently.

Over 12 thousand students have enrolled in this 75-minute course. It is strongly recommended to enroll in this course to have a clear picture of the tools you are going to deal with in the future as a [data analyst](https://javarevisited.blogspot.com/2020/08/top-10-coursera-certifications-to-learn-Data-Science-Visualization-and-Data-Analysis.html).

[![best free course to learn Data Analysis](https://1.bp.blogspot.com/-iTVL7gKVL4Q/XymCi59Nr4I/AAAAAAAAiDU/vLlk6--s2v0awQMqAaUUw4NhG56lIIlBQCLcBGAsYHQ/w400-h225/Excel%2BData%2BVisualization%2Bfor%2BBusiness%2BAnalysts%2B-%2BUdemy%2Bfree%2Bcourse.jpg)](https://click.linksynergy.com/deeplink?id=JVFxdTr9V80&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fexcel-data-visualization-for-business-analysts%2F&u1=JAVAREVISITED)


---

### 3\. [Intro to Data for Data Science](https://click.linksynergy.com/deeplink?id=JVFxdTr9V80&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fintro-to-data-for-data-science%2F&u1=JAVAREVISITED) - [Udemy Free Course]

This one more online Data Science course from Udemy, which you can join for FREE. In data analysis, you will deal with data, of course, and you can't be a successful data analyst if you can't understand the data.

This course will help you understand the data and the science behind it.

In this course, you'll learn how to use the data and prepare the data to perform operations on it. You'll understand the complete process of extracting meaningful information from the pile of data.

This course will help you learn the critical aspects of data, and these concepts will help you get better at [data analysis](https://becominghuman.ai/5-best-courses-to-learn-pythons-pandas-libary-for-data-analysis-and-data-science-34b62abb0e96).

[![free Udemy course to learn Data Science](https://1.bp.blogspot.com/-x7FZehSDVMU/XymD1sf0fbI/AAAAAAAAiDw/e_qHn6_KY9Uy6rfavlF3Qa2CjxRYF3BwwCLcBGAsYHQ/s400/Intro%2Bto%2BData%2Bfor%2BData%2BScience%2Budemy%2Bfree%2Bcourse.jpg)](https://click.linksynergy.com/deeplink?id=JVFxdTr9V80&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fintro-to-data-for-data-science%2F&u1=JAVAREVISITED)

----

### 4\. [Data Science Made Easy](https://click.linksynergy.com/deeplink?id=JVFxdTr9V80&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fbeginners-data-science-kickstart%2F&u1=JAVAREVISITED) [Free Course from Udemy]

One of the most straightforward online courses you'll find on the internet regarding data analysis. It's a 1-hour long video course recently launched, and it basically gives you the direction to pursue your desire to become a data analyst.

This is an entry-level course, so don't expect to get detailed information about the subject. This is the essential step that you need to take to lead a successful data analyst career.

Besides this, this course has a practical example of sports. So if you are a sports lover, you'll find it exciting, and at the same time, you'll get an exact idea about the path you need to follow to become a data analyst in 2024.

In this course, you'll learn the following concepts:

-   Data mining
-   [Data visualization](https://www.java67.com/2020/07/top-5-data-visualization-tools-every.html)
-   [Regression models](https://www.java67.com/2020/07/top-5-machine-learning-algorithms-for-beginners.html)

All these concepts are fundamental when it comes to data analysis. You must attend this short and informative course.

[![free online course to learn Data Science](https://1.bp.blogspot.com/-yyMS5Oy_RVA/XymCWj17QTI/AAAAAAAAiDI/Cjbibs1XPv8e0022-kZtGcYyvg_0sh9FQCLcBGAsYHQ/s400/An%2BIntroduction%2Bto%2BData%2BScience%2B-%2BUdemy%2BFREE%2BCourse.jpg)](https://click.linksynergy.com/deeplink?id=JVFxdTr9V80&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fbeginners-data-science-kickstart%2F&u1=JAVAREVISITED)

-----


## 5 Free Coursera courses for Data Science
So far, we have seen my favorite free Udemy courses to learn Data Science and now its time for Coursera courses. Here is my list of free Coursera courses you can join to learn about Data Science. 

This list includes free courses to learn Data Science basics, programming languages like Python and R Programming, SQL, Data Science tools, and libraries like NumPy, Sci-kit Learn, matplotlib, etc.

### 5\. [Introduction to Data Science in Python](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fpython-data-analysis)

This is one of the most popular free courses to learn Data Science in Python on Coursera. More than 614,000 people have joined this free course to learn Data Science. It's an ideal course for beginners, and this course should be taken first if you are planning to learn python and data science simultaneously. 

You will start learning the fundamentals of python, like data types and functions, and move on to read data from CSV files and numeric calculations using the NumPy library.

Next, you will see how to use simple commands of pandas like indexing and handling missing values. You will move to more complex commands of the panda's library, like merging data frames and generating summary tables. 

Finally, get your hands on the statistics such as distributions and other forms of structured data. This course is offered by the University of Michigan of the US, and it's also part of the [**Applied Data Science with Python Specialization**](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Fspecializations%2Fdata-science-python), which you can join if you want a certification in Data Science from Coursera. More than 290K people have already joined this specialization. 

[![Best free Coursera course for Data Science](https://lh3.googleusercontent.com/-I5U3gsoamWE/YR0GrKWAp4I/AAAAAAAApMU/wZQEtpk8hx4d5mVObvMDKKTk37NQov8PQCLcBGAsYHQ/w398-h209/XDP%257ECOURSE%2521%257Epython-data-analysis.jpeg)](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fpython-data-analysis)


------

### 6\. [R Programming by Johns Hopkins University](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fr-programming)

 One of the popular programming languages used among Data scientists is the [R Programming language](https://javarevisited.blogspot.com/2020/07/top-5-courses-to-learn-r-programming-in.html). This is another popular free Coursera course for Data scientists which will teach you how to use R programming for Data Science. More than 600,000 people have already joined this Coursera course which tells a lot about the popular it of this course. 

In this course, you will install and configure the R studio IDE on different environments such as macOS and Windows, then start learning the R data types like vectors & lists, matrices, factors, and data frames.

Next, you will see control structures like the if statements, for loops, while loops, and scooping rules. Later, you will cover the loop functions such as applying over the lists, applying, splitting, and debugging tools like diagnosing the problem. 

Finally, learn how to simulate data in R language and generate random numbers and simulate linear models. In short, one of the **[best Johns Hopkins courses to learn R Programming for Data Science](https://javarevisited.blogspot.com/2021/05/best-johns-hopkins-courses-for-data-science-coursera.html)**. 

[![free coursera course for R programming](https://lh3.googleusercontent.com/-U2Z_-5xmlgI/YR0GvB1reAI/AAAAAAAApMY/OQNOTSw-8wga0Q2lrvbeMT3q1sjljdHRQCLcBGAsYHQ/w398-h209/XDP%257ECOURSE%2521%257Er-programming.jpeg)](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fr-programming)


-----

### 7\. [Databases and SQL for Data Science with Python](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fsql-data-science)

This is another popular free Coursera course for Data scientists. This free course from IBM and Ravi Ahuja will teach you SQL, an essential tool for Data Science. The [SQL language](https://javarevisited.blogspot.com/2018/05/top-5-sql-and-database-courses-to-learn-online.html) is also widely used among data scientists to fetch data from the database for analysis purposes. 

This free course will teach basic SQL statements and practice them on a live database such as [SELECT](https://javarevisited.blogspot.com/2011/10/selct-command-sql-query-example.html#axzz6pRY6p3if) & INSERT statements. You will then understand the database relationship, its concepts, and how to create tables.

Next, you will learn to use string patterns and rangers and sort resulting sets, and group resulting sets. You will also discover the built-in database functions. Later, you will learn how to access the database using the python language, like creating tables and loading data. 

Finally, you will see some advanced SQL commands for the data engineers. More than 202,000 people have joined this course to learn SQL for Data Science on Coursera. 

[![free coursera course for Data Science and SQL](https://lh3.googleusercontent.com/-B8mXoTfyZtc/YR0G8Sux84I/AAAAAAAApMg/3pxyVrGhPZo3pM9rkwvJKGsGkNhdlWhbgCLcBGAsYHQ/w383-h201/XDP%257ECOURSE%2521%257Esql-data-science.jpeg)](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fsql-data-science)

-----


### 8\. [Applied Plotting, Charting & Data Representation in Python](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fpython-plotting)

Data visualization and extracting meaningful insights into your data are data scientists' main purpose and job. You will understand the principle of information visualization. Then you will dive into the charts using real-world data and create graphs like a scatterplot, line plots, and bar charts using matplotlib.

You will also explore the charts fundamentals and implement new visualization charts like subplots, histograms, box plots, and heatmaps. 

Finally, you will also see how to use pandas library for data visualization like matplotlib and other data visualization, known as seaborn for statistical visualization. This course is also part of the [**Applied Data Science with Python Specialization**](https://medium.com/javarevisited/courseras-applied-data-science-with-python-specialization-by-university-of-michigan-review-is-39d9c4f8e1cd), one of the popular certifications on Coursera for Data Science. 

[![free coursera course for Data Visualization](https://lh3.googleusercontent.com/-rJAYSV5bv5E/YR0HBzfjDEI/AAAAAAAApMo/8y3RQMn7SX0bAytnoKA6i8QPVUY0U6PFACLcBGAsYHQ/w398-h209/XDP%257ECOURSE%2521%257Epython-plotting.jpeg)](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fpython-plotting)

----

### 9\. [Applied Machine Learning in Python](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fpython-machine-learning)

Predicting data scientists in created using machine learning algorithms and models. This course will begin with the fundamentals of machine learning and the sci-kit-learn library and see how to apply classification using the [K-Nearest Neighbors](https://medium.com/javarevisited/5-machine-learning-algorithms-every-data-scientists-should-learn-de467fd2e444).

You will also learn about supervised learning and how to apply classification and regression, overfitting & underfitting, logistic regression, and support vector machines. 

Then you will evaluate and optimize the performance of the model. Finally, you will dive more into advanced supervised learning, such as random forests and neural networks. 

In short, one of the best free Coursera courses to learn Machine Learning using Python. More than 237K students have already joined this course, and you can join as well. The course is also part of the [Applied Data Science with Python Specialization](https://www.java67.com/2020/10/applied-data-science-with-python-coursera-review.html) and is offered by one of the top US universities, the University of Michigan. 

[![free coursera course for Machine Learning](https://lh3.googleusercontent.com/-mRUXyTVe62I/YR0HHIdgIQI/AAAAAAAApMs/W7f4Uh8iXtMst0QJAaBeuP0OmhB6I6cOgCLcBGAsYHQ/w379-h199/XDP%257ECOURSE%2521%257Epython-machine-learning.jpeg)](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Flearn%2Fpython-machine-learning)

----

### 10\. [IBM Data Science Professional Certificate](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Fprofessional-certificates%2Fibm-data-science)  [Coursera Certification]

This Coursera course is not free but worth mentioning here because it is specifically designed for Data Scientist by IBM. This course will help you understand Data Science in the IBM cloud environment and all its essential elements.

In this course, you'll learn the following key concepts of data analysis:

-   All the essential filters to sort, group, and generate desired results.
-   SQL statements to manipulate data
-   Real-time analysis of actual data sets.

This course will help you kickstart your career as a data analyst like the other 1.8 lakh students. This is a detailed course, but it's going to be your one-stop solution as you won't need any additional courses regarding [data analysis](https://javarevisited.blogspot.com/2020/08/top-10-coursera-certifications-to-learn-Data-Science-Visualization-and-Data-Analysis.html).

[![best Coursera certification to learn Data Science](https://1.bp.blogspot.com/-8XoONCYCfsA/XymCxJhKiLI/AAAAAAAAiDc/o9xeH0s63fwKQkvDqhyiDYNK1k8q6C7DwCLcBGAsYHQ/s320/IBM%2BData%2BScience%2BCoursera%2Bcourse%2Bbest.png)](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Fprofessional-certificates%2Fibm-data-science)

But why when to take a Specialization's courses for free for audit then you won't get any certificate. If you are joining this course to get Coursera certificate then you need to either enroll into the specialization or take a subscription plan like [**Coursera Plus**](https://coursera.pxf.io/c/3294490/1164545/14726?u=https%3A%2F%2Fwww.coursera.org%2Fcourseraplus) which provides unlimited access to more than 5000+ Coursera courses, projects, and professional certificates.  


That's all about the **best free courses to learn Data Analysis and Data Science from Udemy and Coursera**, two of the leading online learning portals. If you want to become a Data Scientist, joining one of these courses is a good idea. Data analysis is the need of the hour. You can have a bright future as a data analyst, but you must understand that data analysis is a complex and essential task.

You can't afford to get distracted. To increase your concentration, it is recommended to take at least 2-3 courses related to data analysis and then decide whether you actually want to be a data analyst or just a temporary fascination.

By the way, if you need a comprehensive course and you don't mind spending few bucks to learn a valuable skill like Data Science, then I highly recommend you to join this **[list of best Data Science Courses](https://www.java67.com/2018/10/top-10-data-science-and-machine-learning-courses.html)** from Udemy Coursera and Pluralsight.

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-   [Top 5 Free Courses to Learn Machine Learning](https://www.java67.com/2019/01/5-free-courses-to-learn-machine-and-deep-learning-in-2019.html)
-   [10 Courses to Learn Data Science for Beginners](https://hackernoon.com/10-machine-learning-data-science-and-deep-learning-courses-for-programmers-7edc56078cde)
-   [Top 8 Python Libraries for Data Science and Machine Learning](https://javarevisited.blogspot.com/2018/10/top-8-python-libraries-for-data-science-machine-learning.html)
-   [7 Best Courses to learn Artificial Intelligence](https://medium.com/javarevisited/7-best-courses-to-learn-artificial-intelligence-in-2020-26d59d62f6fe) 
-   [Top 5 Courses to Learn TensorFlow for Beginners](https://hackernoon.com/top-5-tensorflow-and-ml-courses-for-programmers-8b30111cad2c)
-   [Top 5 Courses to Learn Python in 2024](https://hackernoon.com/top-5-courses-to-learn-python-in-2018-best-of-lot-26644a99e7ec)
-   [5 Courses to learn Maths and Statistics for Data Science](https://javarevisited.blogspot.com/2019/09/top-5-statistics-and-mathematics-course-for-data-science.html)
-   [Top 5 Courses to Learn Advance Data Science](https://hackernoon.com/top-5-data-science-and-machine-learning-course-for-programmers-e724cfb9940a)
-   [10 Free Courses to Learn Python for Beginners](https://hackernoon.com/10-free-python-programming-courses-for-beginners-to-learn-online-38312f3b9912)
-   [10 Best Coursera Courses and Certification for Programmers](https://javarevisited.blogspot.com/2020/08/top-10-coursera-courses-specilizations-and-certifications.html)

Thanks for reading this article so far. If you find these *free Data Science and Data Analysis online courses* useful, please share them with your friends and colleagues. If you have any questions or feedback, then please drop a note.

**P. S. -** If you can afford and looking for a comprehensive Data Science course to truly master the art of  Data Science and learn all the tools, concepts, and theory, then I highly recommend you to join this **[The Data Science Course 2024: Complete Data Science Bootcamp](https://click.linksynergy.com/deeplink?id=JVFxdTr9V80&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fthe-data-science-course-complete-data-science-bootcamp%2F&u1=JAVAREVISITED)** course by 365 Careers on Udemy. It's the best Udemy course on Data Science and entirely with your time and money.