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Enholm Heuristics > Random Thoughts Blog > Data Science Blog
  • Data Science Blog

Co-integration and Structural Breaks Time Series Analysis using R on 100 year bond yields

  • July 11, 2019
  • jenholm
An interesting tutorial at looking at breaks in the bond market using R and time series analysis: https://www.datasciencecentral.com/profiles/blogs/co-integration-and-structural-breaks-time-series-analysis-using-r
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  • Data Science Blog

Model Governance and Model Operations

  • July 9, 2019
  • jenholm
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  • Data Science Blog
  • Small Data

R Job Scraping and Mapping

  • December 29, 2017
  • jenholm
In this post, I’m going to use R to scrape Indeed.com for some jobs, then plot the positions of the top jobs on a map, and save that map...
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  • Crime Analysis
  • Data Science Blog
  • Products

Milepost GIS Location Estimation in R

  • December 22, 2017
  • jenholm
I was recently forced at gunpoint to estimate the positions of mileposts along the highways in Maricopa County. This was to estimate stops and arrest positions for law enforcement....
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  • Crime Analysis
  • Data Science Blog

Comparison of R and Python Parallel Computing in Address Geocoding

  • December 21, 2017
  • jenholm
I recently needed to process a bunch of addresses that our proprietary geocoding software was having a problem with. I won’t say the name of the geocoder, but it...
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  • Crime Analysis
  • Data Science Blog

R Function to Calculate Bearing Between Two Positions (lat-lon)

  • December 11, 2017
  • jenholm
An R function I had to write to calculate the true course/bearing between two lat lon positions. Note that the fossil R library has a function called earth.bear to...
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Hands-On Machine Learning with Scikit-Learn and TensorFlow fix for chapter 3 MNIST dataset

  • November 9, 2017
  • jenholm
In case you’re using the book in the title, here’s the fix for the Chapter 3 MNIST dataset hang Download by clicking on the view raw dataset from https://github.com/operalib/operalib/blob/master/mnist/mldata/mnist-original.mat Use...
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  • Crime Analysis
  • Data Science Blog

Build your own discrete event simulation framework in Python Part III

  • October 2, 2017
  • jenholm
In Part II, we added a queue and a PatrolCar class to our Python simulation to answer call events in our police patrol simulation. In this installment, we’ll add calls...
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  • Crime Analysis
  • Data Science Blog

Build your own discrete event simulation framework in Python Part II

  • September 25, 2017
  • jenholm
In Part I, we learned about creating a simple discrete event simulation controller in Python, using a clock that iterated over a minute counter and translated this minute counter...
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  • Crime Analysis
  • Data Science Blog

Build your own discrete event simulation framework in Python Part I

  • September 20, 2017
  • jenholm
The first question you might ask, is why the heck would you build your own simulation framework in Python? There’s a million of them, right? I wouldn’t say a...
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