This online book is intended to be a compilation of notes created while teaching Data Visualization to post-graduate and adult learners.

• ANLY 503 @ Georgetown University

• Data Visualization using R and derivatives taught at various organizations

• Data Science using Python @ FAES/NIH

This online book is being created using the bookdown package in R. Elements involving Python are incorporated via the reticulate package. Many thanks to the developers of these packages and software for their efforts.