Beyond Latitude and Longitude: Creating Spatial Embeddings for RAG
When I started combining large language models (LLMs) with geographic data, my first temptation was to treat latitude and longitude as "just two more…
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Articles tagged “data science”.
16 articles
GetCompress: Compressing Raster Stacks to Run Faster Without Losing the Original Grid
While reading a paper on multivariate solar power forecasting with multilevel data fusion, one practical idea kept coming back to me, that with large…
GeoAI Solution Architecture: Integrating Geolocation and Artificial Intelligence
It's been a long time since I last posted here on the blog. But recently, while looking at search trends on Google Trends, I noticed a remarkable ris…
Estimating Deep Learning Project Duration with Simulation and Markov Chains
Training AI models often means working close to the state of the art, yet we still have to estimate how long it will take to get a model into product…
Classifying Radar Images of T-72 Tank Variants
Working with data from the Sensor Data Management System (SDMS), provided by the US Air Force, is a really interesting challenge. In this post, I tra…
Generating Samples for Deep Learning Models in ArcGIS Pro
Many people starting out in data science don't know how those neat, ready-to-use image samples for training deep learning models are actually produce…
How Operations Research Helped Me Decide Which Laptop to Buy
As part of my MBA in Operations Research and Decision Making, I turned a class assignment into a real decision problem, choosing a new high-performan…
Financial Analysis for Beef Cattle Farming
It is no secret that Brazil's agricultural industry is booming, and much of that is thanks to the trend and production cycle analyses that help produ…
Free Data Sources
One of the most common questions among people starting out in data analysis is where to get the data they need for their work. Here I list some of th…
Cargo Load Optimization with a Genetic Algorithm
A friend who owns a truck fleet asked me to help distribute deliveries so that each truck would use as much of its space and weight capacity as possi…
Credit Risk Assessment
On a sunny day in the middle of the Brazilian semi-arid region, a representative of Fintech λλ reached out asking me to improve their customer credit…
Customer Churn Prediction for Telecom Companies
Telecom companies rely on analyses of customer dissatisfaction to retain and win customers. In this project I build a churn prediction model from scr…
Credit Card Fraud Detection
Credit card fraud is one of the main concerns of financial institutions. In this post, I explore a dataset of European card transactions and build a …
Forecasting Animal Adoptions with Prophet
Environmental preservation, and our wildlife in particular, has always interested me. In this project, I use Facebook's Prophet framework and Austin …
Analysis of Violence in Rio de Janeiro
Ah, Rio de Janeiro, what a marvelous city! But not everything is rosy. In this exploratory analysis of public crime data from ISP-RJ, I look at vehic…
Airbnb Data Analysis - Toronto, Canada
Airbnb is already considered the largest hospitality company in the world, yet it does not own a single hotel. In this post, I run an exploratory ana…
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