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DSC_0511 Zach Doty Cover Photo Univariate Linear Regression

Univariate Linear Regression Concepts

Howdy, machine learning compatriots! Welcome back to our foray into getting started with machine learning. Previously, we covered some core machine learning concepts, namely supervised machine learning algorithms and unsupervised / deep learning. (For the full series to date, here’s our Machine Learning for Beginners page.)   Today we’re learning the concepts behind supervised machine […]

DSC_0045 Zach Doty Cover Photo Group By SQL Statement Function

GROUP BY SQL Statement

Introducing the GROUP BY SQL Statement in PostgreSQL ‘Ello SQL geeks! Welcome back to our SQL learning journey. We left off with a beginner SQL skills challenge and the aggregate SQL functions: MIN, MAX, AVG and SUM. Today we’re looking at the GROUP BY statement. We’ll learn about this function in PostgreSQL and walk through […]

SQL Aggregate Functions: Min, Max, Avg and Sum

Welcome back, SQL nerds! We’re back in action on the journey of learning SQL, after a beginner PostgreSQL skills challenge. We’re reaching the end of basic functions and queries with this article. Based on what we’ve learned so far, we can do basic counting, filtering, sorting and pattern matching against PostgreSQL databases. If you’re just […]

DSC_0007 Zach Doty Cover Photo for Beginner PostgreSQL Skills Challenge

Beginner SQL Skills Challenge!

Howdy, SQL geeks. Hope this post finds you swell! Over the past few months, we’ve gained a ton of ground in learning SQL, or at least I have. πŸ™‚ Let’s take a moment to: Test our knowledge of SQL skills learned thus far Start seeing SQL queries less as statements of code, and more as […]

DSC_0064 Zach Doty Unsupervised Machine Learning Intro Cover Photo

Unsupervised Learning Introduction: Machine Learning Essentials

Howdy, machine learning students! Today we’re going to introduce the concept of unsupervised machine learning algorithms. Quick Recap: Supervised Learning Before we jump in, let’s quickly recap our last article introducing supervised machine learning algorithms. This will give us the appropriate context for unsupervised learning. In supervised machine learning problems, we supply pre-labeled data to […]

Supervised Learning & Its Types: Machine Learning Essentials

Welcome back, machine learning geeks! Let’s delve deeper into our journey of mastering machine learning. In the previous article, we looked at both informal and technical definitions of machine learning.   We also looked at the two major types of machine learning algorithms, A) supervised machine learning algorithms, and B) unsupervised machine learning algorithms. We […]

DSC_0024 Zach Doty Cover Photo for What is Machine Learning

What is Machine Learning?

Hello there, fellow Machine Learning (ML) students! Welcome back to our crash course in starting machine learning from an absolute beginner’s perspective. In our previous article, we covered an introduction to Machine Learning, answering several key questions: Where is machine learning used in our lives? Where did machine learning come from? Where is machine learning […]

DSC_0013 Zach Doty Cover Photo for Introduction to Machine Learning

An Introduction to Machine Learning

Howdy! This is an abrupt interruption to our regularly scheduled programming of SQL lessons, Amazon Alexa Skill development and Algorithmic trading. For those readers who don’t personally know me, I’m on a quest/streak to level up as a technologist. Getting around to the point, I’ve been taking self-paced courses in varying forms to learn, apply […]

DSC_0104 Zach Doty Cover Photo for Learning LIKE SQL Statement

The LIKE Statement: SQL Statement Fundamentals

Howdy folks! We are overdue for another installation of SQL learning. I’ve slept a few times since the past couple of articles on how to learn SQL. Previously, we talked about the IN Statement, BETWEEN statement, and ORDER BY clause. In this article, we’ll learn how to execute the LIKE statement in SQL queries. Let’s […]

Building an Interactive Alexa Quiz Skill, Part 2

Disclaimer: this was typed late at night on a tired mind. Please excuse typos, convention errors, and generally poor writing. πŸ™‚ Howdy, Alexa nerds! Welcome back to our journey in learning Amazon Alexa Skill Development. Quick funny aside, would you care to guess my most common use of the Echo? It’s to play looong Spotify […]