Jun Ryu - Blog

NSDC Sample Workshop

Here is a sample workshop we held in Fall 2023…

Spectral Clustering. What is it?

In this post, we will explore a simple version of the spectral clustering algorithm for clustering data points.…

Fake News Classification

Rampant misinformation — often called “fake news” — is one of the defining features of contemporary democratic life.

Objected Oriented Programming in R

We define a new object class pqnumber to handle computations with large floating point numbers.

Are You a Dog or Cat Person?

In this blog post, we attempt to train a machine learning algorithm to distinguish the images of cats and dogs.

Intro to Data Manipulation

For today, we import two powerful packages (dplyr and tidyr) under tidyverse that will help us clean and manipulate data easily.

Flask Tutorial

Today, we will demonstrate how to create a simple web application using Flask.

Web Scraping with Scrapy

What movie or TV shows share actors with your favorite movie or show?

Plotly: Pure Perfection

What else can Plotly produce? Today, we continue with the NOAA climate data and explore what other visualizations can be made.

Climate Data Visualization

In this post, we will be working with the data from National Oceanic and Atmospheric Administration (NOAA) to create interesting, interactive geographical visualizations.

Palmer Penguins

In this blog post, we will explain how to construct an interesting data visualization of the Palmer Penguins data set.