Greg Dameron doesn't remember his family back in Lost Haven, Iowa. Separated from them at a young age, Greg is emotionally torn as he flies back to the Midwest

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Extensive code examples in R, Stata, and Python Chapters on overlooked topics in econometrics classes: heterogeneous treatment effects, simulation and power ana

A unique collection of competition problems from over twenty major national and international mathematical competitions for high school students. Written for tr

The definitive introduction to the local and global structure of random graph models for complex networks.