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Posts By jenholm

Latest Posts | By jenholm
An Ad-hoc method for calibrating models
11 hours ago

An Ad-hoc method for calibrating models

What is model calibration? You want to pick parameter values on the basis of external (to your data) evidence, and compare the model’s predictions with the actual data:

https://www.r-bloggers.com/an-ad-hoc-method-for-calibrating-uncalibrated-models/

How to Build Disruptive Data Science Teams: 10 Best Practices
1 day ago

How to Build Disruptive Data Science Teams: 10 Best Practices

KDnuggets has an interesting article out on building data science teams. Granted, they’re talking about a pretty big team here!:

https://www.kdnuggets.com/2019/07/disruptive-data-science-teams-best-practices.html

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

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

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

Model Governance and Model Operations
1 week ago

Model Governance and Model Operations

O’Reilly article on organizational handing of mathematical models, a topic that is not covered enough in my opinion:   https://www.oreilly.com/ideas/what-are-model-governance-and-model-operations?fbclid=IwAR2HXtnERk_Kn5RQ85N0fHqcxTpRtp8yjIbmXWPVjAyAKDjndBUI-MuaoDk

X2Go Client Windows 8.1 xorg server failed to start solved

By  •  Uncategorized

After installing an old Windows 8.1 operating system on an old machine, the X2Go client software suddenly wouldn’t work on the reinstalled operating system. After a windows debugging session, and …
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The Righteous Dark
1 year ago

The Righteous Dark

By  •  Author's Pages

My new science fiction novel, The Righteous Dark is now live on Amazon!

Word 2013 Crashes after upgrade from Windows Server 2008 R2 to Windows Server 2012 R2 Solved

Yesterday I was upgrading a 2008 R2 Server to 2012, and everything seemed to go fine. A few hours after the upgrade, one of the users was reporting multiple crashes …
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R Job Scraping and Mapping
2 years ago

R Job Scraping and Mapping

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 to …
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Milepost GIS Location Estimation in R
2 years ago

Milepost GIS Location Estimation in R

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. Like …
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Comparison of R and Python Parallel Computing in Address Geocoding
2 years ago

Comparison of R and Python Parallel Computing in Address Geocoding

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 rhymes …
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