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01 · Hero Bio

Bio paragraph shown in the Hero section (under your name).

02 · About Stats

03 · Lanyard Card

Floating ID card next to the About section. The "2024" in the ID line is your admission year (angkatan) — keep as-is unless your year changes.

04 · Tech Stack / Skills

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05 · Project Cards

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06 · Project Media Links

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07 · Experience

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08 · Achievements / Certificates

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09 · Testimonials

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Admin-managed Testimonials

10 · Contact Info

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11 · General Settings

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Project Media

Open to Opportunities

Hi, I'm
Daffa Ahmad
Pangreksa

$ Data Science Student

S1 Data Science student at UNESA with GPA 3.92. AI Researcher at Lab Big Data UNESA. Specializing in machine learning, NLP, and Graph Neural Networks.

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Daffa Ahmad Pangreksa
Python
GNN / ML
3.92GPA
R²=0.91Best Model

About Me

A S1 Data Science student at Universitas Negeri Surabaya (UNESA) with a GPA of 3.92/4.00. Currently an AI Researcher at the Big Data Analysis Laboratory, conducting research on Graph Neural Networks (GNN) using Neo4j and NetworkX.

Known as a detail-oriented, analytical, and communicative individual, always striving to produce high-quality data-driven insights. Teaching Assistant for Python Programming and Data Structures & Algorithms, currently in Semester 4 of the Data Science program.

3.92

GPA / 4.00

0

Projects

4

Semester

Top 6

DISCO 2025

GitHub Stats
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Repos
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Stars
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Followers
UNESA · Lab Big Data Active
Daffa Ahmad Pangreksa
Python
GNN
NLP
Daffa Ahmad Pangreksa
AI Researcher · DS Student
Machine Learning NLP Graph NN Data Mining
tap to flip
DAPP · SYS_PROFILE v2.4.1
whoami
name:"Daffa Ahmad P."
role:"AI Researcher"
gpa :3.92/4.00
open:true▌
Python
94%
ML/DL
88%
GNN
82%
NLP
79%
Top 6 · DISCO 2025 Data Science Competition
TOP 6
Training model...
github.com/dapp-eng Scan to visit repository

Tech Stack

Knowledge Graph

Interactive visualization of skill relationships, projects, and experience

Skill
Project
Experience
Tool / Library

Latest Projects

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Other Projects

See more on my GitHub Repository. (Loaded automatically from GitHub API)

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Live from GitHub API

Experience

Achievements & Certs

What People Say

Leave a Testimonial

Have you worked with Daffa, attended his class, or collaborated on a project? Share your honest experience. Describe the quality of his work, communication, technical skills, or any other aspect that stood out. Your testimonial will be publicly visible to all visitors of this portfolio.

Submissions are moderated before appearing publicly.

Let's Collaborate

Open to discussions about data science projects, research, and collaboration opportunities.

Location

Driyorejo, Gresik, East Java

Data Science Mini Games

Take a break. Play nerdy.

Data Snake
Classic snake reimagined as a neural network collecting training data. Avoid outliers and NaN values to keep accuracy climbing.
Arcade Canvas
Play Now
R²
Guess the R squared
Study scatter plots and estimate the coefficient of determination. How well calibrated is your statistical eye?
Statistics 6 Rounds
Play Now
ML Type Sprint
Race to type ML and data science terms as fast as possible. Measure your WPM on jargon that would break autocorrect.
60s Timer WPM
Play Now
Data Runner
Dodge NaN gaps and outlier spikes as your data point sprints across the feature axis. How far can your model go without crashing?
Runner Infinite
Play Now
Data Snake
Accuracy 0%
Epoch 1
Best 0%

Data Snake

Collect data points to increase model accuracy.
Avoid outliers and NaN values!

Training data (+10)
Test data (+15)
Feature (+25, speed++)
Outlier ( fatal)
NaN (stun 1s)
▲
◀
▶
▼
Arrow Keys or WASD to move · P to pause
Guess the R Squared
Score 0
Round 1 / 6
Your estimate of R² (coefficient of determination):
0.50
Actual R²:
Game Over
Total Points
Avg Error
Grade
Data Runner
Score0
Best0
Press Space or Up Arrow to jump · Double-jump available · Tap canvas on mobile
ML Type Sprint
WPM 0
Accuracy 100%
60
Progress:
Combo:×1
Timer starts on first keystroke · Press Space to confirm each word
Sprint Complete!
WPM
Accuracy
Words