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James Opacich
James Opacich

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Published in Towards Data Science

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Interpreting Scattertext: A seductive tool for plotting text

Scroll down to see how to interpret a plot created by a great tool for comparing two classes and their corpora. There are a few good ways to visualize text data, but many good ways to visualize other forms of data. Text data is messy and requires a vast amount…

Scattertext

8 min read

Interpreting Scattertext: a seductive tool for plotting text
Interpreting Scattertext: a seductive tool for plotting text

Published in Geek Culture

·May 25, 2021

Simulating A Real-world SQL Environment

A tutorial using PostgreSQL, pgAdmin 4 and the Pagila Dataset. — The following tutorial will walk you through the following tasks: Download PostgreSQL and pgAdmin 4 to your own PC or environment. Connect to PostgreSQL server Download and load the Pagila database set (based on the famous Sakila training database). Provide resources and a link to a Github repository detailing these…

Postgres

9 min read

Simulating A Real-world SQL Environment
Simulating A Real-world SQL Environment

Published in Geek Culture

·May 25, 2021

Creating a SQL Entity Relationship Diagram (ERD)

Using PostgreSQL and Pagila Database to practice creating and using ERDs Using pgAdmin 4 and PostgreSQL this article will demonstrate how to Create an Entity Relationship Diagram (ERD) of the Pagila Database to gain a greater understanding of the data you will be working with and to create a reference…

Sql

4 min read

Creating a SQL Entity Relationship Diagram (ERD)
Creating a SQL Entity Relationship Diagram (ERD)

Feb 9, 2021

Classification Metrics for Beginners

With a function to make it easier to produce and analyze them — With most classification problems a simple accuracy score just will not cut it. Because of this there are many different metrics available to data scientists who are looking to identify how well their model is working. There are benefits and drawbacks with having a plethora of measuring tools at your…

Confusion Matrix

6 min read

Classification Metrics for Beginners
Classification Metrics for Beginners

Feb 9, 2021

Display a Kepler.gl Map Using Jupyter Notebook

An interactive 3D geospatial tool — At this point in the early stages of my career in data science I haven’t worked with geospatial data to a large degree. In fact, it almost appears to me that some data scientists try to avoid working with geospatial data with the intent of leaving it to GIS professionals…

9 min read

Display a Kepler.gl Map
Display a Kepler.gl Map

Nov 28, 2020

Data Science Immersive and the Bandaid Conundrum

‘’Ouch!” my toddler son whined as I combed his jumbled tangles of thin but burgeoning hair. I painstakingly worked not to snag a curl, however, my efforts were in vain. His gentle whining created a question. Would he rather me “gently” struggle with this endeavor while causing modest pain for…

Data

2 min read

James Opacich

James Opacich

Data Analyst. Interested in thoughts and data.

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