Hyunjun Choi

Hyunjun Choi

Research Data Scientist, Cedars-Sinai Medical Center

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A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.

Pages

Posts

Future Blog Post

less than 1 minute read

Published:

This post will show up by default. To disable scheduling of future posts, edit config.yml and set future: false.

Blog Post number 4

less than 1 minute read

Published:

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 3

less than 1 minute read

Published:

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 2

less than 1 minute read

Published:

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 1

less than 1 minute read

Published:

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

projects

Android Application Development

Published:

We developed an Android application (in Java) for the USC community, which includes students, faculty, and alumni, to recommend good resources in the USC campus and share their extraordinary experiences. We used Firebase as the database to store all the data and resource.

Neural Networks

Published:

I implemented the Neural Network with Matlab and Python.

CURE Algorithm

Published:

I implemented CURE algorithm with Python.

Movie Recommender System

Published:

I implemented a movie recommendation with matrix factorization approach and other methods with Apache Spark.

HITS & Spectral Clustering

Published:

I implemented the Hyperlink-induced topic search (HITS) with Apache Spark. I also made the spectral clustering with Python.

Liver Transplant Data Analysis

Published:

We analyzed a dataset provided by the Department of Surgery at USC’s Keck School of Medicine, so as to identify features associated with graft survival after orthotopic liver transplantation. Neural networks and SVM were utilized to predict graft survival after Orthotopic liver transplantation using pre-transplant features. The machine learning algorithms were implemented with Python and Keras library.

Visualization on Correlates of Wars

Published:

We visualized military expenditures of top-10 spenders, information concerning militarized interstate disputes, wars, and international trade using datasets provided by the Correlates of Wars. A chart demonstrates the relationship between the number of countries at war and the total amount of international trade. We designed and developed the web application on Node.js, and front-end interface using Angular written in JavaScript and Bootstrap CSS framework. The responsive and interactive charts were implemented with D3.js to discover data features.

Films Web App

Published:

I implemented Films Web App using datasets provided by TMDB API.

Films Android App

Published:

I implemented Films Android App using datasets provided by TMDB API.

publications

talks

teaching

Teaching experience 1

Undergraduate course, University 1, Department, 2014

This is a description of a teaching experience. You can use markdown like any other post.

Teaching experience 2

Workshop, University 1, Department, 2015

This is a description of a teaching experience. You can use markdown like any other post.