Hello, I'm
Dung Chi Le
Also known as Tony Le
Data Science sophomore at Truman State University — experienced across the full analytics workflow, from data cleaning and SQL-based feature engineering to statistical modeling and interactive dashboard deployment.
/ about me
Who I Am
I'm a Data Science sophomore at Truman State University with hands-on experience across the full analytics workflow — from data cleaning and SQL-based feature engineering to statistical modeling and interactive dashboard deployment.
Demonstrated through end-to-end projects: a reproducible OLS/ANCOVA regression study in Python (SciPy, Statsmodels) and a MySQL + Chart.js EDA pipeline with a live-hosted dashboard.
Proficient in Python, R, SQL, and data visualization. Seeking internship opportunities in Data Analytics, Data Engineering, Data Science, or related fields.
Education
B.S. in Data Science
Truman State University
Experience
Mathematics Tutor
Truman State University
Sep 2025 – Present
- Tutored 30+ students across Precalculus, Calculus I, and Calculus II through 1:1 and small-group sessions, with 24 students achieving an A grade across all three courses.
- Developed targeted practice sets and concept recap sheets spanning key topics: trigonometric identities & the unit circle, limits & derivatives, integration techniques (u-substitution, integration by parts, partial fractions, trigonometric substitution), improper integrals, and sequences & series (convergence tests).
/ tech stack
Skills & Tools
Technologies I use daily.
Languages
Data & ML
Statistics & Modeling
Tools & Backend
Visualization & BI
Databases
/ what I've built
Projects
SAT & Graduation Rate Analysis
Engineered an end-to-end Python analytics pipeline (pandas, SciPy, Statsmodels) on 47 U.S. colleges — converting raw Excel into a cleaned dataset, a SQL seed script, and 7 analytical SQL queries (sector statistics, SAT band breakdowns, outperformer detection, residual analysis, and imputation sensitivity checks). Conducted comparative statistical analysis using Pearson correlation, OLS regression, and ANCOVA-style interaction modeling across 20 public and 27 private institutions; identified a significantly stronger SAT–graduation association in public schools (r=0.701, p<0.001) vs. private (r=0.572, p<0.01) with distinct slope coefficients (0.104 vs. 0.062); interaction term p=0.175 (non-significant). Built a fully reproducible analytical workflow with regression diagnostics (Residuals vs. Fitted, Q-Q plot, Cook's Distance), an interactive Plotly scatter chart with hover tooltips, a sensitivity analysis excluding imputed SAT records, and a predict_grad_rate() function with extrapolation warnings — all documented in a structured methodology writeup.
Walmart Sales Analytics Dashboard
Engineered a MySQL analytics pipeline on 1,000 Walmart transactions across 3 branches — data cleaning, feature engineering (time_of_day, day_name, month_name), and 20+ EDA queries. Surfaced key insights: Naypyitaw (Branch C) led revenue ($110,568), Food & Beverages was top product line ($56,145, avg. rating 7.11/10), afternoon hours drove peak sales (454 transactions, ~$148K revenue) with a consistent 4.76% gross margin. Deployed a self-contained interactive HTML dashboard with 5 KPI cards, 7 Chart.js visualizations, and dynamic filter controls (Branch, Product Line, Customer Type, Gender, Payment) — hosted on GitHub Pages.
/ recognition
Honors & Awards
Click on each card for more details.
President's List
Truman State University
Spring 2025
Awarded for achieving a perfect 4.0 semester GPA — recognizing academic excellence across all coursework.
3rd Place — TruHacks x Boeing 2026
TruHacks Hackathon
March 2026
Placed 3rd out of competing teams in a hackathon co-organized with Boeing. Built SyncShift — an AI-driven smart scheduling app for campus workers — in under 24 hours.
Anthropic Claude Code in Action
Anthropic
March 2025
Certified for proficiency in using Claude Code for AI-assisted software development workflows.
Google Gemini Certified Student
December 2025
Certified by Google for demonstrated knowledge and practical skills with the Gemini AI platform.
/ get in touch
Contact Me
Seeking internship opportunities in Data Analytics, Data Engineering, Data Science, or related fields. Let's connect.
Find me at
lechidung204@gmail.com
GitHub
github.com/DungLe-304
linkedin.com/in/dung-le-data304
Or send a message