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I cover ideas mostly every week on Sunday that is related to roles of Data Analyst or Data Engineer. If you are interested in those ideas, please subscribe if you really like my content.
- Indexed issues, last 90 days
- 13
- Latest publication
- Sep 27, 2026
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- Jul 12, 2026
Latest issues
Linear Regression: Least Squares (opens the original)
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Hi, it’s Brien. Your fellow math teacher turned data professional. This week I want to go into a simple but powerful machine learning idea. This idea is linear regression. Since, I have set up the ideas of linear algebra from my previous post. This won’t be too much. Subscribe nowWhat is linear regression?Linear regression is a statistical method or machine learning method to find the dependence between variables. For example, does getting good grades in school dependent on
Just made a YouTube channel. (opens the original)
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Here is my first post on YouTube. I don’t when I will be posting a video. But I figured I’d start over there. You are welcome to subscribe over there (:Post linkThanks for reading Above Average Analyst! Subscribe for free to receive new posts and support my work.<input class="email-input" name="email" tabindex="-1" type="
Introduction to Vector Space (opens the original)
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Hello everyone, it’s Brien. I hope your weekend is going great. This is the end to this series of going over linear algebra. And wanted to say thank you for staying around until the end. If this is your first time seeing one of my newsletter article. I am Brien Grant. I use to be a math teacher turned data professional. I have held a data analyst and data engineer position. And today, this is my third part series of explain linear algebra to people that didn’t study mathematics. The first part o
Matrix Properties Practice (opens the original)
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Hello everyone, it’s Brien. Hope you all enjoyed how matrices came to be and some introduction ideas to algebra. I really hope this is very helpful you. If you don’t know me, I am a math teacher turned data engineer. Here I am teaching mathematical idea for data professionals. This new project is the basics of linear algebra. If you met last week article, click below. Algebra PropertiesThere’s are the list of basic properties:Commutative AssociativeDistributiveJust like my last artic
Where do matrix come from? (opens the original)
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Hello everyone, it’s Brien. Just coming back with another newsletter article. This idea has been top of mind ever since I posted about mathematics of data engineering. I am guessing I have a lots of readers that aren’t as mathematical. I wanted to make a 3 part series of linear algebra from high school ( secondary) math to the linear algebra used in that post. If you don’t know me, I am a math teacher turn data professional. I was a data analyst and now data engineer. I have a background in pure
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