Jenk’s Natural Breaks Optimization

A co-worker was interested in segmenting a list of data points, and I went down a rabbit hole on one dimensional segmentation. I found an article on the Jenk’s natural breaks optimization on Wikipedia. I found another article that had some examples. This is used to bin data points so that clusters are always binned together. There is an iterative method that takes unordered data, but this implementation just sorts the data before binning.

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Use Alias in Bash Script

A few weeks ago, I had trouble accessing aliases in bash scripts. It turns out that aliases are not expanded in scripts, only when the shell i interactive. However, we can get around this by using shopt to expand_aliases at the top o our script.

shopt -s expand_aliases