Courses from Duke University can help you learn data analysis, statistical modeling, machine learning, and programming in Python. You can build skills in data visualization, hypothesis testing, and predictive analytics. Many courses introduce tools like R, Tableau, and SQL, that support analyzing data sets and creating insightful reports. You'll also explore key topics such as data ethics, algorithmic bias, and the application of AI in various industries, enhancing your ability to make informed decisions based on data.