Yes. You can start learning data visualization on Coursera for free in two ways:

1. Preview the first module of many data visualization courses at no cost. This includes video lessons, readings, graded assignments, and Coursera Coach (where available).
2. Start a 7-day free trial for Specializations or Coursera Plus. This gives you full access to all course content across eligible programs within the timeframe of your trial.

If you want to keep learning, earn a certificate in data visualization, or unlock full course access after the preview or trial, you can upgrade or apply for financial aid.‎

To learn data visualization effectively, start by identifying your learning goals and the specific tools or techniques you want to build proficiency in. Enroll in online courses that match your interests and skill level. Practice regularly by working on real-world projects or datasets to apply what you learn. Engage with online communities or forums to share your work and receive feedback. Additionally, reading books and articles on data visualization can provide deeper insights and inspire your creativity.‎

Typical topics covered in data visualization courses include data types and structures, visualization principles, tools and software (like Tableau and Excel), and techniques for creating various types of charts and graphs. Courses often emphasize the importance of storytelling with data, data cleaning and preparation, and best practices for designing effective visualizations. Advanced topics may include interactive visualizations and dashboard creation, providing a comprehensive understanding of the field.‎

For training and upskilling employees in data visualization, courses like the Microsoft Data Visualization Professional Certificate and the Data Analysis and Visualization Foundations Specialization are excellent choices. These programs are designed to equip learners with practical skills and knowledge that can be directly applied in the workplace, fostering a data-driven culture within organizations.‎