Chapter 1. Statistics

 

"The people who cast the votes decide nothing. The people who count the votes decide everything."

 
 --Joseph Stalin

Over the course of the following ten chapters of Clojure for Data Science, we'll attempt to discover a broadly linear path through the field of data science. In fact, we'll find as we go that the path is not quite so linear, and the attentive reader ought to notice many recurring themes along the way.

Descriptive statistics concern themselves with summarizing sequences of numbers and they'll appear, to some extent, in every chapter in this book. In this chapter, we'll build foundations for what's to come by implementing functions to calculate the mean, median, variance, and standard deviation of numerical sequences ...

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