Articles by Programming on nielsenmark.us

Mixing Up Your Office March Madness Competition

March 13, 2019 | 0 Comments

March Madness is almost here! Try mixing up your office bracket competition with a Calcutta auction instead. I think the original source of this idea came from a news article similar to this one. Of course, you can also make this (mostly) risk free by using points to bid on ...
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Exploring Models with lime

November 8, 2018 | 0 Comments

Recently at work I’ve been asked to help some clinicians understand why my risk model classifies specific patients as high risk. Just prior to this work I stumbled across the work of some data scientists at the University of Washington called lime. LIME stands for “Local Interpretable Model-Agnostic Explanations”. ...
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Connecting R to PostgreSQL on Linux

July 6, 2018 | 0 Comments

Connecting to databases is a critical piece of data anlaysis in R. In most analytic roles the data we consume is going to be found in databases. Of these some of the most common are SQL databases like MS SQL Server, PostgreSQL, and Oracle in addition to many others. In ... [Read more...]

Setting up an ODBC connection with MS SQL Server on Windows

May 31, 2018 | 0 Comments

Connecting to databases is a critical piece of data anlaysis in R. In most analytic roles the data we consume is going to be found in databases. Of these some of the most common are SQL databases like MS SQL Server, PostgreSQL, and Oracle in addition to many others. In ...
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Forecasting PM2.5 with forecast and prophet

February 20, 2018 | 0 Comments

Time series, the course I often wish I had taken while completing my coursework in school. I finally got an excuse to do a comparitive dive into the different time series models in the forecast package in R thanks to an invitation to present at a recent Practical Data Science ...
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Creating a Custom htmlwidget for Shiny

January 1, 2018 | 0 Comments

A year ago, htmlwidgets were a mystery to me. I was first introduced to them at a conference years ago. I previously used rCharts which I really liked because of the ability it gave me to customize my interactive graphs in Shiny. I approached an instructor and explained my interest ... [Read more...]

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