define dsa, link ceu

[gbekes]

Could we add something in first para:

Data Science and Analysis is a collection of activities covering data management, wrangling and discovery, modeling relationships (with parametric models like linear regressions, or non-parametric ones like random forest), prediction in cross-section or time series, as well as building and testing causal inference models. For a collection of applications, see Data Analysis case studies

For msba, may add

... used in Introfuctory data analysis, Coding or machine learning