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Data Science Blog

Excel to R Transhipment Problem Optimization Tutorial Part II
3 years ago

Excel to R Transhipment Problem Optimization Tutorial Part II

In this tutorial, I’ll finish the process of converting a simple Excel Transshipment problem that I wrote to minimize the traveling distance that a set of patrol cars would have …
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Excel to R Transhipment Problem Optimization Tutorial Part I
3 years ago

Excel to R Transhipment Problem Optimization Tutorial Part I

In this tutorial I’m going to go through creating an optimization model in Excel. The next part of the tutorial will be scaling a small optimization program into a larger …
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The Analyst’s Dilemma, R vs. Python, or How I Stopped Worrying and Hated Them Both
3 years 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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The Political Forecast Massacre of 2016
3 years 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
4 years 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
4 years 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
4 years 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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Setting up MySQL RDS on with remote access on Amazon Web Services
4 years ago

Setting up MySQL RDS on with remote access on Amazon Web Services

Amazon Web Services has an amazing amount of capabilities, and some good ‘free’ stuff on it. But, and you knew the butt (sic) was coming, it can be painful to …
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R vs. Python for Data Analysis? R wins!!!!
4 years ago

R vs. Python for Data Analysis? R wins!!!!

For the record, I agree with almost all the conclusions of the contest. Especially after wrestling with Python this morning:

http://www.kdnuggets.com/2015/10/r-vs-python-data-analysis.html

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