The NumPy reference sheet I actually keep open while working
Array creation, indexing, broadcasting, axis-aware aggregations, linear algebra, and random generation: a practical NumPy reference for real data work.
Lire la suite →Blog
The Pandas Cheat Sheet I Actually Reach For
Selection, cleaning, grouping, merges, dates, and performance: the complete Pandas reference I keep open in every real data project.
Lire la suite →Colombia's National Disaster Risk Management System, Explained
How Colombia's National Disaster Risk Management System works: its legal foundation, three pillars, and how the municipal level fits the national one.
Lire la suite →EDAN: How Damage and Needs Are Assessed After a Disaster
What the EDAN methodology is, how damage and needs get assessed after a disaster in two stages, and what data actually gets collected in the field.
Lire la suite →What to Do in an Earthquake: Before, During, and After
A practical, technically grounded guide to what to do before, during, and after an earthquake, explained through structural engineering, not just common sense.
Lire la suite →NSR-10: Current State of Colombia's Seismic Code and What's Coming
What Colombia's NSR-10 seismic code is, how its titles A-K are organized, why it gets revised periodically, and how it applies in real structural design.
Lire la suite →Structural Engineering: The Principles Behind Why a Structure Doesn't Fall
Dead, live and seismic loads, limit states, ductility and structural redundancy: the fundamentals behind why a structure doesn't collapse.
Lire la suite →Telematics and Predictive Models: How ML and Deep Learning Read Real-Time Data
Real differences between classical machine learning and deep learning for sensor time series, with a predictive pipeline example from telematics.
Lire la suite →Data Analytics in Geodesy: From GNSS Point to Ground Deformation Model
How a data pipeline turns raw GNSS and InSAR observations into a ground deformation model useful for early geotechnical monitoring.
Lire la suite →Drainage Works: Why Properly Managing Water Defines a Structure's Lifespan
Surface vs. subsurface drainage, design discharge, return period, and why poorly managed water is the root cause behind most geotechnical failures.
Lire la suite →Erosion Control Works: How Civil Engineering Stabilizes Terrain
A practical catalog of erosion control works (gabions, retaining walls, bioengineering, check dams) and the engineering criteria for choosing between them.
Lire la suite →Mass Movements: Types, Causes, and How They're Classified
Geotechnical taxonomy of mass movements: falls, slides, flows, and creep, along with their most common triggering mechanisms.
Lire la suite →Seismic Early Warning Systems: Winning the Seconds That Save Lives
How seismic early warning systems work: sensor networks, real-time data pipelines, and the mechanism that exploits the P-wave/S-wave velocity gap.
Lire la suite →Earthquakes: How They Form and Why Colombia Lives With the Risk
How earthquakes are generated, the plate tectonics behind them, and why Colombia, and the Cauca Valley in particular, lives under high seismic hazard.
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