ting the splitting process _k_ number of times then combining/averaging performance across all iterations. 

.center[![](slides_img/K-fold_cross_validation_EN.jpg)]

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# Algorithms

What is a machine learning [algorithm](https://en.wikipedia.org/wiki/Outline_of_machine_learning#Machine_learning_algorithms)?

.center[![](slides_img/giphy-dog.gif)]

.center[[Read Texas Am GIF by Texas A&amp;M University](https://giphy.com/gifs/tamu-dog-page-3LrK7Q7UhF5MnhZ5ja)]

Sounds difficult! Instead, scroll down a bit