Portfolio

 

Water Chemistry R Package

R
An R package to process water chemistry data into a standardized, machine readable format.
Jan 6, 2025
Liam Smith

Machine Learning Final Project

GIScience
Machine Learning
Python
Predicting population density with land cover using linear regression and spatial autoregression.
May 17, 2024
Manuel Fors, Liam Smith, Yide (Alex) Xu

Road Segmentation

Machine Learning
Python
Remote Sensing
An image processing project using k-means clustering, random forest classification, and the U-Net CNN architecture for road segmentation.
May 15, 2024
Alex Oh, Aiden Pape, and Liam Smith

Cartography Final Project

Adobe Illustrator
Cartography
A map of rock climbing opportunities in South Africa’s Western Cape.
May 14, 2024
Liam Smith

Sparse Kernelized Logistic Regression

Machine Learning
Python
Extending logistic regression to a sparse version that detects nonlinear decision boundaries.
May 5, 2024
Liam Smith

Newton’s Method for Logistic Regression

Machine Learning
Python
A comparison between two optimization algorithms for logistic regression.
Apr 21, 2024
Liam Smith

Implementing Logistic Regression

Machine Learning
Python
Implementing logistic regression using gradient descent with momentum.
Apr 3, 2024
Liam Smith

Implementing Perceptron

Machine Learning
Python
Implementing one of the oldest machine learning models from scratch.
Apr 1, 2024
Liam Smith

Palmer Penguins

Machine Learning
Python
Black box classification with the Palmer Penguins dataset.
Mar 7, 2024
Liam Smith

Mathematics Thesis

Mathematics
The capstone project for my mathematics major, this paper investigates two applications of spectral graph theory.
Dec 16, 2023
Liam Smith

GIScience Summer Research

GIScience
Python
A reproduction and reanalysis of Spielman et al.’s critique of the Social Vulnerability Index (SoVI).
Aug 3, 2023
Liam Smith

Habitat Blocks and Connectivity

Conservation
Python
Methodologies for defining habitat blocks and their implications on connectivity.
May 15, 2023
Liam Smith

Flood Risk and Conservation

Conservation
Google Earth Engine
Identifying priority parcels for flood hazard and conservation buy-out programs.
Apr 18, 2023
Liam Smith

Scenic Viewsheds

Conservation
Google Earth Engine
QGIS
Sensitivity of viewshed analyses to different Digital Elevation Models.
Mar 10, 2023
Liam Smith

Fuzzy C-Means Clustering

Machine Learning
R
Understanding a popular algorithm for soft clustering.
May 18, 2022
Yifei Luo, Liam Smith, Xingze Wang

High Resolution Landcover Classification

ArcGIS Pro
Remote Sensing
Comparing different image sources for object-oriented landcover classification.
May 1, 2022
Liam Smith

Local Versus Global Classification

Google Earth Engine
Remote Sensing
Training a land classifier in Cameroon and comparing results with a well-known global classifier.
Apr 1, 2022
Liam Smith

Deforestation in Protected Areas

Google Earth Engine
Remote Sensing
Detecting and comparing deforestation across parks with varying levels of protection in Malawi.
Mar 1, 2022
Liam Smith

Green Space and Heat Anomalies

Cartography
Google Earth Engine
Remote Sensing
A remote sensing project and interactive visualization assessing changes in green space and land surface temperature anomalies in Cape Town over time.
Feb 4, 2022
Liam Smith

Replication Study with Spatial Regression

GIScience
R
Using geographically weighted regression to analyze social predictors and spatial variation of pediatric dental extractions in the United Kingdom.
Dec 18, 2021
Liam Smith

Hurricane Ida Spatial Twitter Analysis

GIScience
R
Analyzing spatial patterns in Twitter activity during a natural disaster.
Nov 28, 2021
Liam Smith

Spatial Accessibility of Healthcare Resources

GIScience
Python
Reproducing and revising a study on accessibility of healthcare resources necessary to address COVID-19 in Chicago.
Nov 8, 2021
Liam Smith

Flood Risk and Food Security

GIScience
SQL
Understanding the impact of flooding on food accessibility in Dar Es Salaam.
Oct 7, 2021
Liam Smith
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