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THE OWL MOUNTAIN BLOG
Tim Burns
The Owl Mountain Blog is the authors views on the Fascianting World of Data
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Entropy and Log Loss
Claude Monet 'Morning on the Seine near Giverny' Entropy measures the level of disorder in a system. Cross-Entropy Loss measures the...

Tim Burns
Jul 1, 20211 min read
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An ML model for Birds in my Back Yard
I feel like I am hunting and pecking my way into Machine Learning. Get it? Birding... pecking... Sorry, I'm just a loser dad. I find...

Tim Burns
Jun 26, 20211 min read
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My Personal Leadership Values Manifesto
Photo by Author in Provincetown, MA I am a person of first principles. I like to take basic concepts and use those ideas to give me a...

Tim Burns
Jun 24, 20215 min read
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Building an ML Model - The PySpark Pipeline
I shouldn't be surprised that building an ML Model is a topic requiring several blog posts and significant study. For example, let's look...

Tim Burns
Jun 17, 20212 min read
21 views
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A Checklist for Building a ML Model in Spark
Often the most effective method of understanding data is creating a checklist. As a data practitioner, I use checklists extensively to...

Tim Burns
Jun 15, 20213 min read
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Recommended Books on Machine Learning
Photo by Sylvia Sammon-Burns - Taken at The Common Man Inn Here are the classic Machine Learning book references. An Introduction to...

Tim Burns
Jun 3, 20211 min read
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A Middle Manager Learns Spark
Photo by Author As I dig into machine learning, I find my mathematical and numerical background makes me a perfect candidate as an expert....

Tim Burns
May 29, 20212 min read
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Turn JSON into Actionable Data - Lunch
Psychology says that humans are able to process up to 7 pieces of information at a time in our short-term memory. That's why we have...

Tim Burns
May 22, 20212 min read
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From Vulgar Mechanick to Nimble Developer: Machine Learning with PySpark and AWS
Introduction Apache Spark is a powerful tool for processing data, but I've found it's easy to get stuck when learning the technology. If...

Tim Burns
May 14, 20214 min read
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How to add /usr/local/apache-spark as Content Root on a Mac
After fighting with AWS Glue and realizing that in order to use Glue beyond the point of a dumb scheduler, I need to learn the hell out...

Tim Burns
May 11, 20211 min read
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AWS for Data Scientists: From VPC to Spark
VPC Endpoints are the key to connecting AWS services privately with each other. When you use VPC endpoints, all traffic stays on the AWS...

Tim Burns
May 8, 20213 min read
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E. W. Dijkstra Archive
E. W. Dijkstra is a very important computer scientist and prolific writer. I like to keep a reference to his work handy. Very inspiring...

Tim Burns
May 3, 20211 min read
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Refactoring Scrum from Basic Principles
Photo by Author Scrum is a Software Development Lifecycle Methodology In its most basic form, Scrum is a Software Development Lifecycle...

Tim Burns
May 1, 20215 min read
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AWS Networking for Data Scientists: The VPC
The AWS cloud opens a whole new level of frustration for data scientists. You now have access to a cornucopia of amazing tools, but one...

Tim Burns
Apr 28, 20211 min read
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Some Math: Log2 and Factorial Functions
My ongoing side project involves using data techniques to match people across data sources. It is a useful and surprisingly subtle...

Tim Burns
Apr 24, 20211 min read
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Learning from Slack's Data Platform
Big Data Systems Development is filled with complexity, and more often than not, interesting and elegant shortcuts. It is such a vast set...

Tim Burns
Apr 19, 20212 min read
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Interesting Critique of Agile
http://steve-yegge.blogspot.com/2006/09/good-agile-bad-agile_27.html The article is from 2006, so much has changed. Scrum turned out to...

Tim Burns
Apr 18, 20211 min read
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User Story Mapping
I was reading LinkedIn comments and posting and ran across a post that referenced Jeff Patton's "User Story Mapping." I hadn't heard of...

Tim Burns
Apr 17, 20211 min read
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Agile Thoughts of the Day
This Dog understands Persistence Agile belongs to developers. It's our methodology and tool for working with customers in a better way. ...

Tim Burns
Apr 16, 20212 min read
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The Mentor who inspired my interest in "Nonnumerical Analysis"
In my excellent and satisfying job as a "Data Architect, " most of what I do is explore data with "nonnumerical analysis." I've been...

Tim Burns
Apr 10, 20212 min read
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