Skip to content

crgalleguillos/crgalleguillos

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 

History

14 Commits
 
 
 
 

Repository files navigation

Cristián Andrés Galleguillos Vega

👋 Hi, I'm Cristián Andrés Galleguillos Vega

Data Scientist | Machine Learning, SQL Analytics, Business Intelligence & Geospatial Data Science
Biologist | MSc in Data Science & Big Data | MSc in Natural Resources Engineering
📍 Santiago, Chile

I am a multidisciplinary Data Scientist with a strong scientific background, focused on transforming data into actionable insights through machine learning, statistical analysis, and geospatial analytics.
My work combines Data Science, remote sensing, and applied analytics to address real-world problems in urban dynamics, economics, and natural resources.


🔹 Featured Projects

🛫 Flight Price Prediction (Machine Learning)

Predictive modeling of flight prices using ML (EDA + Feature Engineering + Model Evaluation)

  • Supervised learning (Random Forest, regression models)
  • Feature engineering and interpretability
  • Business-oriented evaluation

🌐 Web report (GitHub Pages):
https://crgalleguillos.github.io/flight-price-prediction/

🔗 Repository:
https://github.com/crgalleguillos/flight-price-prediction


🌌 Chile Night Lights Change (Remote Sensing & Data Science)

Analysis of nighttime light changes in Chile (2014–2019–2024) using VIIRS Black Marble (VNP46A3)

  • Geospatial data processing & raster analysis
  • Temporal change detection (pixel-level deltas & categorical maps)
  • Regional aggregation and interpretation

🌐 Web report (GitHub Pages):
https://crgalleguillos.github.io/chile-night-lights-change/

🔗 Repository:
https://github.com/crgalleguillos/chile-night-lights-change


📊 Retail Sales Performance Analysis (Power BI)

Business Intelligence project analyzing retail sales performance using Power BI dashboards.

  • Explores profitability drivers across products, payment channels and geographic regions.

🔗 Repository:
https://github.com/crgalleguillos/powerbi-analisis-ventas-rentabilidad


🛒 Customer Behavior Analysis in E-commerce (SQL)

End-to-end SQL analytics project focused on customer behavior, product performance, and business metrics.

  • Relational data modeling (customers, products, orders, order details)
  • Advanced SQL queries (JOINs, CTEs, window functions)
  • Business metrics: revenue, customer value, average ticket
  • Insight generation focused on decision-making

🔗 Repository:
https://github.com/crgalleguillos/sql-analisis-comportamiento-clientes


Tools & Technologies

Languages & Data Science

  • Python
  • Pandas
  • NumPy
  • Scikit-learn
  • R Studio
  • SQL

Geospatial Analysis

  • GeoPandas
  • Rasterio
  • RioXarray
  • GIS / Remote Sensing

Business Intelligence

  • Power BI
  • DAX
  • Data Modeling (Star Schema)

Visualization

  • Matplotlib
  • Seaborn

Next projects

  • GIS analysis project using QGIS focused on spatial analysis and territorial patterns
  • PyQGIS spatial analysis project focused on automation of GIS workflows using Python

📬 Contact



👋 Hola, soy Cristián Andrés Galleguillos Vega

Data Scientist | Machine Learning y Ciencia de Datos Geoespacial
Biólogo | Magíster en Data Science & Big Data | Magíster en Ingeniería en Recursos Naturales
📍 Santiago, Chile

Soy un profesional multidisciplinario con experiencia en análisis de datos, machine learning y ciencia de datos aplicada a problemas reales.
Me interesa especialmente el cruce entre Data Science, Business Intelligence, teledetección, recursos naturales y análisis territorial.

Actualmente busco oportunidades laborales en Data Science, con proyección a especialización a empresas, como a analítica geoespacial y ambiental.

⭐ Si te interesan mis proyectos, ¡no dudes en dejar una estrella o contactarme!

About

No description, website, or topics provided.

Resources

Stars

Watchers

Forks

Releases

No releases published

Packages

 
 
 

Contributors