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Hi, I'm Denzel. Thanks for Stopping By 👋

During my training in Data Science, I discovered my passion for Data & Analytics Engineering. I enjoy thinking about data architecture and infrastructure, and I aspire to become proficient in handling big data to create an analytics suite that's user-friendly and accessible to everyone in the organization. I envision a buffet-style system where users can easily access the information they need, whenever they need it.

Projects in my Highlight Reel

  1. Bike Share USA - Horizontal Expansion Regession Model 🚴‍♂️
    In my neighborhood, I noticed the lack of bike sharing options and became motivated to find a solution. The objective of my project was to develop a model that could predict the optimal number of bike share stations to be added in zip codes surrounding existing bike stations, with the goal of expanding the network horizontally into new areas. This model serves as a useful guide to inform decision-making in future expansion efforts.

    In this project, I created a database logical model and implemented it in AWS RDS. I also performed ETL jobs to transfer 68GB of data that had been cleaned and organized from 5 different S3 buckets. Finally, I used this data to conduct detailed analytics and develop the regression model.

  2. The Subway Challenge - World Record Route Generator 🚄
    In this project, the objective was to solve the logistical challenge of visiting all 472 stations on the MTA Subway line. To accomplish this, I utilized graph theory and developed over 1500+ possible paths to set a world record in the Subway Challenge and potentially secure a spot in the Guinness World Records.

    In this project, I created a graph network to represent the subway map, then adapted an existing Python package to suit my needs. I also added an SQLite database to the program to store the data generated from this process.

Denzel S. Williams's Projects

bike-share-usa icon bike-share-usa

The objective of the project is to build a model that can predict the number of bike share stations that should be created in zip codes that surround a company’s current network of bike stations. They could then use the model as a guide for an expansion effort.

course_advanced_dbt icon course_advanced_dbt

This is the repository for Bingeflix dbt Project (used in the CoRise Advanced dbt course)

dbt-learn-dwilliams icon dbt-learn-dwilliams

Using a Snowflake data warehouse, this DBT project is used to transform the raw data up to the BI layer. Modeling data in a way that empowers end users to answer their own questions.

mlfs-book icon mlfs-book

O'Reilly book - Building Machine Learning Systems with a feature store: batch, real-time, and LLMs

springboard-dsc icon springboard-dsc

The portfolio of work that was done during my Data Science training at the Springboard Intensive Bootcamp.

the-subway-challenge icon the-subway-challenge

The objective of the project is to use graph theory to determine a set of potential paths that can be used to set a Guinness World Record in the Subway Challenge.

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