Publications by Alex Kozela
Major 3: Sentiment Analysis of 15 Minute Cities
1. Examining “15 minute cities” using user-generated text data and sentiment analysis. The “15 minute city” is a trending topic in urban planning for its focus on walkable communities with equitable access to services. However, it also has appeared as a buzzword for government control, especially in a post-COVID world. Understanding the pub...
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Major Assignment 2: Semantic Segmentation of West Midtown and Hapeville
Section 1. Comparison of West Midtown and Hapeville Census Tracts Section 2. OSM, GSV, and Computer Vision. Section 3. Summarise and Analyze the Results Comments Major Assignment 2: Semantic Segmentation of West Midtown and Hapeville Alex Kozela 2024-11-16 Section 1. Comparison of West Midtown ...
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Computer Vision Test for Casa Grande
Merge the data processed from Colab back to R. Calculate Greenness Calculate Building-to-street Ratio Violin plots comparing the segmentation results by type of road Computer Vision Test for Casa Grande Alex Kozela - Originally written by Bon Woo Koo & Subhro Guhathakurta; modified by Uijeong Hwang...
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Major 1: Simulating a Journey to Midtown MARTA
In this assignment, I simulated a journey that starts from the starting point (e.g., home), drives to the nearest MARTA rail station, transfers to MARTA rail transit, and finally arrives at Midtown station. There are a few main components in this assignment - home location, road networks, transit network, and destination. Steps Step 1. Download Re...
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Mini 5 - Fatal Encounters by Season and Income
Fatal Encounters of Civilians in Los Angeles For this assignment, I decided to look at fatal encounters by gunshot in ZTCA regions of the city of Los Angeles, California. Gun violence, especially as it pertains to police encounters, is an omnipresent issue in Los Angeles, and through this analysis I aimed to discover what seasons gunshot deaths occ...
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Mini Assignment 4 - Points of Interest
# Load required packages library(tidyverse) library(sf) library(tmap) library(leaflet) library(tidycensus) library(readr) library(ggplot2) library(plotly) library(gridExtra) # Preparing data coffee <- read_csv("https://ujhwang.github.io/urban-analytics-2024/Assignment/mini_4/coffee.csv") ## New names: ## Rows: 363 Columns: 14 ## ── Column speci...
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Mini Assignment 3 - Healthcare Equity Analysis
This healthcare equity analysis explores the spatial distribution of hospitals in Fulton and Dekalb counties through the lenses of poverty, health insurance, and individuals with disability. 1. Import and tidy Yelp data # Load required packages library(sf) library(dplyr) library(tidycensus) library(tmap) library(jsonlite) library(tidyverse) librar...
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