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Posts By jenholm

Latest Posts | By jenholm
The Analyst’s Dilemma, R vs. Python, or How I Stopped Worrying and Hated Them Both
3 weeks ago

The Analyst’s Dilemma, R vs. Python, or How I Stopped Worrying and Hated Them Both

I recently worked on two analytic projects which had libraries which were crucial to the completion of the projects, which I like to call putting all your eggs in one …
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Crime Analysis Series: Manhattan Distance in R
1 month ago

Crime Analysis Series: Manhattan Distance in R

By  •  Crime Analysis

As you can see in the image embedded in this page, travel from downtown Phoenix to downtown Scottsdale involves several rectangular-like movements. Traveling in a city laid out in a …
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Crime Analysis Series Calculating Great Circle Distance Between Two Points in R Using Haversine Formula
1 month ago

Crime Analysis Series Calculating Great Circle Distance Between Two Points in R Using Haversine Formula

By  •  Crime Analysis

I recently started working in crime analysis and started to need to use latitudes and longitudes and calculate the distances between them. For this calculation I used the Haversine formula …
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The Political Forecast Massacre of 2016
9 months ago

The Political Forecast Massacre of 2016

I’ve gone over the network forecasts for the presidential election of 2016 and it wasn’t a pretty sight. While I don’t buy the line that “A lot of forecasters will …
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Dear Linux, Less Forking, More Testing
11 months ago

Dear Linux, Less Forking, More Testing

I have a request from a sometimes Linux user, me.

Please stop forking and making new distros.

It’s not me, it’s you. Look, I’m a reasonably tech-savvy guy. And I …
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Marine Corps Inventory Reduction via Time Series Forecasting
1 year ago

Marine Corps Inventory Reduction via Time Series Forecasting

Last week I wrote an article about using a cluster computing system to generate a large amount of forecasts from time series data for the supply management units (SMU) in …
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Big Data Forecasting with R: Consumable Logistics for the Marine Corps
1 year ago

Big Data Forecasting with R: Consumable Logistics for the Marine Corps

Recently I constructed a simulation that modeled the consumable supply system of Marine Corps Logistics. The Marine Corps has several operational-level Supply Management Units (SMU) that warehouse and handle consumable …
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Windows Server 2008 Remote Desktop Local Print Fail Access Denied: Solved
2 years ago

Windows Server 2008 Remote Desktop Local Print Fail Access Denied: Solved

Symptoms:  When a user connects to a Windows Server 2008 Server using Remote Desktop local printers appear to work, but print jobs won’t print.  No error are reported to the …
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Who’s on my Amazon AWS RDS MySql Database?

By  •  Small Data

 

 

What you need to look at the running processes in your MySQL Amazon Web Services RDS Database to use this:

  1.  A MySQL command line client installed on …
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