Chinmay Deval
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15x Faster Geospatial Pipelines: Why I Swapped Pandas for DuckDB

How switching to DuckDB’s spatial extension cut execution time from 10.5s to 0.69s on large FEMA NFIP datasets.

By Chinmay Deval in Python DuckDB Geospatial Analytics

March 31, 2026

Turning Data into Action: Three Ways SERVIR is Strengthening Water Security

Turning Data into Action

By Chinmay Deval

March 22, 2024

Extracting Time Series using Google Earth Engine and JavaScript

Extract Sentinel NDVI time series using Google Earth Engine and JavaScript

By Chinmay Deval in JavaScript Google Earth Engine

June 29, 2022

PyScript- First look at running Python logic directly in the browser

Now you can write and run Python directly in HTML/browser!👀

By Chinmay Deval in Python PyScript

May 14, 2022

Creating 2D/3D visuals with R has never been this easy. Thanks to the Rayshader package!

2D/3D mapping with R

By Chinmay Deval

February 10, 2022

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Where data meets curiosity!

This blog is where I share my curiosity about data. Here you will find my notes and tutorials for my future self and hopefully also for you.

Written by Chinmay Deval

© 2026 Chinmay Deval Based on Hugo Apéro.
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