---
title: "Donald Tucker (@dtucker) | Hashnode"
description: "A blog about my data coding journey. Read the latest articles by Donald Tucker on Hashnode."
url: "https://hashnode.com/@dtucker"
---

@dtucker

# Donald Tucker

@dtucker · Joined December 2023

A blog about my data coding journey

[Website](https://dtucker.xyz/)

### [Building an A3 Process Improvement App with Claude](https://blog.dtucker.xyz/building-an-a3-process-improvement-app-with-claude?utm_source=hashnode&utm_medium=feed)

I recently built an interactive A3 process improvement app using Claude Sonnet 4 - and here's the interesting part: the app itself uses Claude's API to analyze completed A3 documents. It's essentially Claude helping to build a tool that leverages Cla...

2 min read · [blog.dtucker.xyz](https://blog.dtucker.xyz/building-an-a3-process-improvement-app-with-claude?utm_source=hashnode&utm_medium=feed)

[Jun 28, 2025](https://hashnode.com/posts/building-an-a3-process-improvement-app-with-claude/685f76e36872ec9ad4a7b649)

### [Prompt Comparison app](https://blog.dtucker.xyz/prompt-comparison-app?utm_source=hashnode&utm_medium=feed)

Comparing Mistral 7B vs. LLaMA-2 7B using HuggingFace

2 min read · [blog.dtucker.xyz](https://blog.dtucker.xyz/prompt-comparison-app?utm_source=hashnode&utm_medium=feed)

[Jun 20, 2025](https://hashnode.com/posts/prompt-comparison-app/685586a13ec0c118790a1357)

### [🤖 Building a Personalized Chatbot Powered by my Portfolio](https://blog.dtucker.xyz/building-a-personalized-chatbot-powered-by-portfolio?utm_source=hashnode&utm_medium=feed)

Implementing a RAG model

1 min read · [blog.dtucker.xyz](https://blog.dtucker.xyz/building-a-personalized-chatbot-powered-by-portfolio?utm_source=hashnode&utm_medium=feed)

[May 24, 2025](https://hashnode.com/posts/building-a-personalized-chatbot-powered-by-portfolio/6831fca958a44f9063745512)

### [🎉 Apprenticeship Milestone Unlocked!](https://blog.dtucker.xyz/apprenticeship-milestone-unlocked?utm_source=hashnode&utm_medium=feed)

This took a bit of time to get the certificate, but circling back to follow up on a previous accomplishment — I officially completed an AI/ML Apprenticeship! \[U.S. Department of Labor apprenticeship completion certificate for the AI/ML Fundamentals P...

1 min read · [blog.dtucker.xyz](https://blog.dtucker.xyz/apprenticeship-milestone-unlocked?utm_source=hashnode&utm_medium=feed)

[May 5, 2025](https://hashnode.com/posts/apprenticeship-milestone-unlocked/681943827722fb12e8134256)

### [Building a Time-Series Forecast & Anomaly Dashboard](https://blog.dtucker.xyz/building-a-time-series-forecast-and-anomaly-dashboard?utm_source=hashnode&utm_medium=feed)

A time-series forecasting and anomaly-detection tool

2 min read · [blog.dtucker.xyz](https://blog.dtucker.xyz/building-a-time-series-forecast-and-anomaly-dashboard?utm_source=hashnode&utm_medium=feed)

[Apr 25, 2025](https://hashnode.com/posts/building-a-time-series-forecast-and-anomaly-dashboard/6856d8a75a8dd282df653a68)