emotes", "magrittr", "dplyr"  

* Miscellaneous: "pROC", "rio"  

* Chris Kennedy's R Toolkit: "ck37r"

### Highlight and run lines 12-27 inside 1-overview.Rmd to install these packages. Then, highlight and run lines 31-51 to import them. 

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# Machine learning defined

Machine learning evolved from scientific pursuits in statistics, computer science, information theory, artificial intelligence, and pattern recognition.  

How to define machine learning?  
1) **Generally:** algorithms, computers, and oth