Where to study data analytics: 7 free online courses

Data analysts play a key role in modern business, providing organizations with the necessary information for decision-making. We present courses from various companies and universities.

SQL for Data Science by University of California, Davis
A course for beginner data analysts. Here you will acquire basic SQL knowledge and skills, learn to create and manipulate data in tables. You will also have practice with real programming assignments, data interpretation, and applying SQL for targeted analysis.
Duration: 1-4 weeks

Data Science: Productivity Tools by Harvard University
The course teaches the use of Unix/Linux for managing files and directories on a computer and maintaining order in the file system. You will master the Git and GitHub version control system for storage and collaboration, and learn to create reports in RStudio.
Duration: 2 months

Business Analytics with Excel by Johns Hopkins University
The course introduces analytical frameworks used for decision-making. Classes begin with the basics of Excel and end with advanced modeling techniques.
Duration: 1-3 months

High-Dimensional Data Analysis by Harvard University
A course for those interested in data analysis and interpretation. Instructors will discuss modern methods for analyzing multidimensional data, and in the final part of the program, students will gain a brief introduction to machine learning and learn to apply it to high-throughput data.
Duration: 1 month

IBM Data Analyst by IBM
In this course, you will learn to visualize data and present results using various charts in Excel spreadsheets and BI tools such as IBM Cognos Analytics & Tableau.
Duration: 4 months

Data Analysis and Visualization with Power BI by Microsoft
After completing this course, you will be able to recognize different types of visualizations in Power BI, add them to reports and dashboards. You will learn about navigation methods in Power BI reports and much more.
Duration: 1-3 months

Data Science: Inference and Modeling by Harvard University
In this course, you will learn about the concepts necessary for determining standard errors. You will learn a lot about how to use models to aggregate data from different sources, the basics of Bayesian statistics, and predictive modeling.
Duration: 2 months