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<!DOCTYPE html>
<html lang="en" class="scroll-smooth">
<head>
<meta charset="UTF-8">
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<title>ds4ds: Data Science for Development Studies</title>
<meta name="description" content="An open collection of computational notebooks and apps for development studies using Python, R, Julia, and AI in the cloud.">
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<i class="fa-solid fa-globe text-brand-600 dark:text-brand-400 text-xl"></i>
<span class="font-display font-bold text-xl tracking-tight text-slate-900 dark:text-white">ds<span class="text-brand-600 dark:text-brand-400">4</span>ds</span>
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<a href="#about" class="text-slate-600 dark:text-slate-300 hover:text-brand-600 dark:hover:text-brand-400 font-medium transition-colors">About</a>
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<i class="fa-solid fa-earth-americas mr-2"></i> Python, R, Julia & AI for Development
</div>
<h1 class="font-display text-4xl md:text-5xl lg:text-6xl font-bold tracking-tight text-slate-900 dark:text-white mb-6 leading-tight">
Data Science for<br>
<span class="gradient-text">Development Studies</span>
</h1>
<p class="text-lg md:text-xl text-slate-600 dark:text-slate-400 mb-8 max-w-2xl mx-auto lg:mx-0 leading-relaxed">
An open collection of computational notebooks and interactive apps that introduce data science methods—from basic statistics to machine learning—in the context of development studies. Run Python, R, and Julia directly in the cloud.
</p>
<div class="flex flex-col sm:flex-row gap-4 justify-center lg:justify-start">
<a href="#notebooks" class="inline-flex justify-center items-center px-8 py-3.5 border border-transparent text-base font-semibold rounded-lg shadow-sm text-white bg-brand-500 hover:bg-brand-600 transition-all hover:shadow-lg hover:-translate-y-0.5">
Explore Notebooks
<i class="fa-solid fa-arrow-right ml-2"></i>
</a>
<a href="https://github.com/cmg777/ds4ds" target="_blank" class="inline-flex justify-center items-center px-8 py-3.5 border border-slate-300 dark:border-slate-600 text-base font-semibold rounded-lg shadow-sm text-slate-700 dark:text-slate-200 bg-white dark:bg-slate-800 hover:bg-slate-50 dark:hover:bg-slate-700 transition-all">
<i class="fa-brands fa-github mr-2"></i> GitHub
</a>
</div>
<p class="mt-6 text-sm text-slate-500 dark:text-slate-400 font-medium">
<i class="fa-solid fa-check text-green-500 mr-1"></i> Zero Installation
<span class="mx-2">•</span>
<i class="fa-solid fa-check text-green-500 mr-1"></i> Python, R & Julia
<span class="mx-2">•</span>
<i class="fa-solid fa-check text-green-500 mr-1"></i> Interactive Learning
</p>
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<img src="cover.jpg"
alt="Data Science for Development Studies"
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</div>
</div>
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</div>
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<h2 class="font-display text-3xl font-bold text-slate-900 dark:text-white">Why ds4ds?</h2>
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An open collection that bridges the gap between modern data science tools and development studies research — making computational methods accessible to researchers, students, and practitioners.
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Statistics, econometrics, causal inference, and machine learning with clear explanations and real-world examples.
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<h3 class="text-xl font-bold text-slate-900 dark:text-white mb-2">Computational Notebooks</h3>
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Run Python, R, and Julia code directly in your browser via Google Colab, with no environment setup required.
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Real-world datasets from Brazil, Bolivia, and the Gapminder project. Spatial analysis, growth models, and policy evaluation.
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<h2 class="font-display text-3xl font-bold text-slate-900 dark:text-white">Notebooks & Apps <span class="text-base font-normal text-slate-500 dark:text-slate-400">(18 resources)</span></h2>
<p class="mt-4 text-lg text-slate-600 dark:text-slate-400">Interactive computational resources organized by topic.</p>
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<!-- Part: Basic Statistics and Econometrics -->
<div class="mb-12 notebook-section">
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<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-xl font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Basic Statistics and Econometrics <span class="text-sm font-normal text-slate-400 dark:text-slate-500">(7)</span></h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
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<!-- Gapminder -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="python" data-title="gapminder introduction to data science">
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<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Gapminder introduction to data science</h4>
<span class="lang-tag lang-python">Python</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Explore life expectancy, GDP, and population with the Gapminder dataset</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2024)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/python_gapminder_example.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- Gapminder Julia -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="julia" data-title="gapminder introduction to data science julia">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Gapminder introduction to data science</h4>
<span class="lang-tag lang-julia">Julia</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Explore life expectancy, GDP, and population with the Gapminder dataset</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/julia_gapminder_example.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- Gapminder R -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="r" data-title="gapminder introduction to data science r">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Gapminder introduction to data science</h4>
<span class="lang-tag lang-r">R</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Explore life expectancy, GDP, and population with the Gapminder dataset</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2026)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/r_gapminder_example.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- Statistical differences -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="python" data-title="introduction to statistical differences and relationships">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Introduction to statistical differences and relationships</h4>
<span class="lang-tag lang-python">Python</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Learn t-tests, chi-squared tests, and correlation analysis</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/python_real_differences_and_relationships.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- Statistics fundamentals -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="python" data-title="statistics is about differences relationships and predictions">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Statistics is about differences, relationships, and predictions</h4>
<span class="lang-tag lang-python">Python</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">From hypothesis testing to regression predictions in one workflow</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/python_statistics_differences_relationships_predictions.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- Descriptive statistics -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="python" data-title="descriptive statistics and multi-boundary mapping">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Descriptive statistics and multi-boundary mapping</h4>
<span class="lang-tag lang-python">Python</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Summary statistics and choropleth maps across administrative boundaries</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2024)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/python_descriptive_statistics_and_multi_boundary_mapping.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
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<!-- Regressions -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="python" data-title="use regressions to explore relationships">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Use regressions to explore relationships</h4>
<span class="lang-tag lang-python">Python</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">OLS regression, diagnostics, and interpretation for development data</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/python_regressions_to_explore_relationships.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
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</div>
<!-- Part: Economic Growth and Development -->
<div class="mb-12 notebook-section">
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<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-xl font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Economic Growth and Development <span class="text-sm font-normal text-slate-400 dark:text-slate-500">(4)</span></h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
</div>
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<!-- Growth equations -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="python" data-title="introduction to growth equations">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Introduction to growth equations</h4>
<span class="lang-tag lang-python">Python</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Growth rates, log-linear models, and cross-country comparisons</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/python_introduction_to_growth_equations.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- Solow Python -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="python" data-title="the solow growth model and its convergence prediction python">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">The Solow growth model and its convergence prediction</h4>
<span class="lang-tag lang-python">Python</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Simulate the Solow model and test its convergence prediction</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. & Leiva F. (2023)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/python_solow_growth_model.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- Solow R -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="r" data-title="the solow growth model and its convergence prediction r">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">The Solow growth model and its convergence prediction</h4>
<span class="lang-tag lang-r">R</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">The same Solow model and convergence analysis implemented in R</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2023)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/r_solow_growth_model.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- Convergence clubs -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="r" data-title="convergence clubs in labor productivity and its proximate sources">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Convergence clubs in labor productivity and its proximate sources</h4>
<span class="lang-tag lang-r">R</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Identify groups of economies converging to different steady states</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2021)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/r_convergence_clubs_labor_productivity.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
</div>
</div>
<!-- Part: Exploratory Data Analysis -->
<div class="mb-12 notebook-section">
<div class="flex items-center gap-4 mb-6">
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-xl font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Exploratory Data Analysis <span class="text-sm font-normal text-slate-400 dark:text-slate-500">(1)</span></h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
</div>
<div class="grid gap-4 md:grid-cols-1 lg:grid-cols-2">
<!-- ESDA Bolivia -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="python" data-title="exploratory spatial data analysis of municipal development in bolivia">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Exploratory spatial data analysis of municipal development in Bolivia</h4>
<span class="lang-tag lang-python">Python</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Spatial autocorrelation, Moran's I, and LISA maps for Bolivia</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2024)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/python_esda_municipal_development_bolivia.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
</div>
</div>
<!-- Part: Causal Inference -->
<div class="mb-12 notebook-section">
<div class="flex items-center gap-4 mb-6">
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-xl font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Causal Inference <span class="text-sm font-normal text-slate-400 dark:text-slate-500">(3)</span></h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
</div>
<div class="grid gap-4 md:grid-cols-1 lg:grid-cols-2">
<!-- DAGs -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="r" data-title="introduction to directed acyclical graphs dags">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Introduction to directed acyclical graphs (DAGs)</h4>
<span class="lang-tag lang-r">R</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Use causal diagrams to identify confounders and guide regression design</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/r_introduction_to_DAGs.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- DID -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="r" data-title="heterogeneous treatment effects via two-stage did">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Heterogeneous treatment effects via two-stage DID</h4>
<span class="lang-tag lang-r">R</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Estimate heterogeneous treatment effects using two-stage DID</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2024)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/r_heterogeneous_treatment_effects_DID.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- Synthetic Control -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="app" data-title="synthetic control explorer counterfactuals">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Synthetic control explorer</h4>
<span class="lang-tag lang-app">App</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Build counterfactuals using weighted combinations of control units</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://cmg777.github.io/open-results/files/synthetic_control_explorer2.html" target="_blank"
class="self-start inline-flex items-center px-4 py-1.5 bg-purple-100 dark:bg-purple-900/40 text-purple-700 dark:text-purple-300 text-xs font-semibold rounded-md hover:bg-purple-200 dark:hover:bg-purple-900/60 transition-colors">
<i class="fa-solid fa-arrow-up-right-from-square mr-1.5"></i> Open App
</a>
</div>
</div>
</div>
</div>
<!-- Part: Machine Learning -->
<div class="mb-12 notebook-section">
<div class="flex items-center gap-4 mb-6">
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-xl font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Machine Learning <span class="text-sm font-normal text-slate-400 dark:text-slate-500">(2)</span></h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
</div>
<div class="grid gap-4 md:grid-cols-1 lg:grid-cols-2">
<!-- ML Mincer -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="python" data-title="introductory machine learning for econometrics exploring the mincer equation">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Introductory machine learning for econometrics: Exploring the Mincer equation</h4>
<span class="lang-tag lang-python">Python</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Compare OLS, Lasso, Random Forest, and XGBoost on earnings data</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://colab.research.google.com/github/cmg777/ds4ds/blob/main/python_introductory_ml_mincer_equation.ipynb" target="_blank" class="self-start">
<img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab" class="h-7">
</a>
</div>
</div>
<!-- SHAP App -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="app" data-title="interactive app to learn shap plots with xgboost predictions">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">An interactive app to learn SHAP plots with XGBoost predictions</h4>
<span class="lang-tag lang-app">App</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Interactively explore SHAP plots to understand XGBoost predictions</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://ai.studio/apps/drive/1AOCpYZvP9S58zBq3Z7mESzeUCk04Z8Bg?fullscreenApplet=true" target="_blank"
class="self-start inline-flex items-center px-4 py-1.5 bg-purple-100 dark:bg-purple-900/40 text-purple-700 dark:text-purple-300 text-xs font-semibold rounded-md hover:bg-purple-200 dark:hover:bg-purple-900/60 transition-colors">
<i class="fa-solid fa-arrow-up-right-from-square mr-1.5"></i> Open App
</a>
</div>
</div>
</div>
</div>
<!-- Part: Spatial Econometrics (TBA) -->
<div class="mb-12 notebook-section">
<div class="flex items-center gap-4 mb-6">
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-xl font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Spatial Econometrics</h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
</div>
<div class="flex items-center justify-center py-8">
<div class="text-center text-slate-400 dark:text-slate-500">
<i class="fa-solid fa-clock text-2xl mb-2"></i>
<p class="text-sm font-medium">Coming soon</p>
</div>
</div>
</div>
<!-- Part: Bayesian Econometrics (TBA) -->
<div class="mb-12 notebook-section">
<div class="flex items-center gap-4 mb-6">
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-xl font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Bayesian Econometrics</h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
</div>
<div class="flex items-center justify-center py-8">
<div class="text-center text-slate-400 dark:text-slate-500">
<i class="fa-solid fa-clock text-2xl mb-2"></i>
<p class="text-sm font-medium">Coming soon</p>
</div>
</div>
</div>
<!-- Part: Feature Engineering and Geocomputation -->
<div class="mb-12 notebook-section">
<div class="flex items-center gap-4 mb-6">
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-xl font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Feature Engineering and Geocomputation <span class="text-sm font-normal text-slate-400 dark:text-slate-500">(1)</span></h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
</div>
<div class="grid gap-4 md:grid-cols-1 lg:grid-cols-2">
<!-- Google Earth Engine -->
<div class="notebook-card reveal bg-white dark:bg-slate-800 p-5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm" data-lang="gee" data-title="regional dynamics of luminosity-based gdp using google earth engine">
<div class="flex flex-col gap-3">
<div class="flex items-center justify-between">
<h4 class="text-sm font-semibold text-slate-700 dark:text-slate-200">Regional dynamics of luminosity-based GDP using Google Earth Engine</h4>
<span class="lang-tag lang-gee">GEE</span>
</div>
<p class="text-xs text-slate-500 dark:text-slate-400 line-clamp-2">Map regional GDP dynamics using nighttime lights in Google Earth Engine</p>
<p class="text-xs text-slate-500 dark:text-slate-400">Mendez C. (2025)</p>
<a href="https://code.earthengine.google.com/b8a4fa3a96056d220bcb31b6a561cb1e" target="_blank"
class="self-start inline-flex items-center px-4 py-1.5 bg-orange-100 dark:bg-orange-900/40 text-orange-700 dark:text-orange-300 text-xs font-semibold rounded-md hover:bg-orange-200 dark:hover:bg-orange-900/60 transition-colors">
<i class="fa-solid fa-satellite mr-1.5"></i> Open in Earth Engine
</a>
</div>
</div>
</div>
</div>
</div>
</section>
<!-- People Section -->
<section id="people" class="scroll-mt-20 py-16 section-primary border-t border-slate-200 dark:border-slate-700">
<div class="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8 text-center">
<h2 class="font-display text-3xl font-bold text-slate-900 dark:text-white mb-14">People</h2>
<!-- Editors -->
<div class="mb-14">
<div class="flex items-center gap-4 mb-8">
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-lg font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Editors</h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
</div>
<div class="flex justify-center">
<!-- Carlos Mendez (Editor) -->
<div class="reveal flex flex-col items-center max-w-xs">
<img src="https://carlos-mendez.org/authors/admin/avatar_hu789af5602b0564dea21bcf1e67237882_114840_270x270_fill_q75_lanczos_center.jpg"
alt="Carlos Mendez"
class="contributor-avatar w-24 h-24 rounded-full mb-4 object-cover shadow-sm border-2 border-slate-200 dark:border-slate-600">
<h3 class="text-xl font-bold text-slate-900 dark:text-white">Carlos Mendez</h3>
<p class="text-slate-600 dark:text-slate-400 mt-2">Associate Professor, Nagoya University, Japan</p>
<a href="https://carlos-mendez.org" target="_blank"
class="inline-flex items-center mt-4 px-5 py-2 border border-brand-600 dark:border-brand-400 text-brand-600 dark:text-brand-400 text-sm font-semibold rounded-lg hover:bg-brand-50 dark:hover:bg-brand-900/30 transition-colors">
Visit Website
<i class="fa-solid fa-external-link ml-2 text-xs"></i>
</a>
</div>
</div>
</div>
<!-- Contributors -->
<div>
<div class="flex items-center gap-4 mb-8">
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
<h3 class="text-lg font-bold text-brand-800 dark:text-brand-300 whitespace-nowrap">Contributors</h3>
<div class="h-px bg-slate-300 dark:bg-slate-600 flex-1"></div>
</div>
<div class="flex justify-center">
<!-- Favio Leiva Cardenas -->
<div class="reveal flex flex-col items-center max-w-xs">
<img src="https://favioleiva.github.io/images/1.Principal.jpg"
alt="Favio Leiva Cardenas"
class="contributor-avatar w-24 h-24 rounded-full mb-4 object-cover shadow-sm border-2 border-slate-200 dark:border-slate-600">
<h3 class="text-xl font-bold text-slate-900 dark:text-white">Favio Leiva Cardenas</h3>
<p class="text-slate-600 dark:text-slate-400 mt-2">PhD Student, Nagoya University, Japan</p>
<a href="https://favioleiva.github.io/" target="_blank"
class="inline-flex items-center mt-4 px-5 py-2 border border-brand-600 dark:border-brand-400 text-brand-600 dark:text-brand-400 text-sm font-semibold rounded-lg hover:bg-brand-50 dark:hover:bg-brand-900/30 transition-colors">
Visit Website
<i class="fa-solid fa-external-link ml-2 text-xs"></i>
</a>
</div>
</div>
</div>
</div>
</section>
<!-- Community Section -->
<section id="community" class="scroll-mt-20 py-16 section-alt border-t border-slate-200 dark:border-slate-700">
<div class="max-w-3xl mx-auto px-4 sm:px-6 lg:px-8 text-center">
<h2 class="font-display text-3xl font-bold text-slate-900 dark:text-white mb-6">Community</h2>
<p class="text-slate-600 dark:text-slate-400 leading-relaxed mb-8">
We're using Github Discussions as a place to connect with other members of our community. We hope that you:
</p>
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<i class="fa-solid fa-circle-question text-brand-500 mt-1"></i>
<span>Ask questions you're wondering about.</span>
</li>
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<span>Share ideas.</span>
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<span>Share your notebooks.</span>
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<span>Engage with other community members.</span>
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<i class="fa-solid fa-hand-holding-heart text-brand-500 mt-1"></i>
<span>Welcome others and are open-minded. Remember that this is a community we build together 💪.</span>
</li>
</ul>
<a href="https://github.com/cmg777/ds4ds/discussions" target="_blank"
class="inline-flex items-center px-8 py-3.5 border border-transparent text-base font-semibold rounded-lg shadow-sm text-white bg-brand-500 hover:bg-brand-600 transition-all hover:shadow-lg hover:-translate-y-0.5">
<i class="fa-brands fa-github mr-2"></i> Join the Discussion
</a>
</div>
</section>
<!-- Events Section -->
<section id="events" class="scroll-mt-20 py-16 section-primary border-t border-slate-200 dark:border-slate-700">
<div class="max-w-3xl mx-auto px-4 sm:px-6 lg:px-8 text-center">
<h2 class="font-display text-3xl font-bold text-slate-900 dark:text-white mb-6">Events</h2>
<p class="text-slate-600 dark:text-slate-400 leading-relaxed mb-8">
We invite community members and newcomers to participate in our public events. Join us to learn, collaborate, and build together:
</p>
<ul class="text-left max-w-lg mx-auto space-y-3 text-slate-600 dark:text-slate-400 mb-10">
<li class="flex items-start gap-3">
<i class="fa-solid fa-chalkboard-user text-brand-500 mt-1"></i>
<span>Attend training sessions on data science methods and tools.</span>
</li>
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<span>Design and prototype computational notebooks and apps.</span>
</li>
<li class="flex items-start gap-3">
<i class="fa-solid fa-users text-brand-500 mt-1"></i>
<span>Collaborate with researchers and practitioners from diverse backgrounds.</span>
</li>
<li class="flex items-start gap-3">
<i class="fa-solid fa-bell text-brand-500 mt-1"></i>
<span>Subscribe on Luma to get notified when new events are announced.</span>
</li>
</ul>
<a href="https://luma.com/cmg" target="_blank"
class="inline-flex items-center px-8 py-3.5 border border-transparent text-base font-semibold rounded-lg shadow-sm text-white bg-brand-500 hover:bg-brand-600 transition-all hover:shadow-lg hover:-translate-y-0.5">
<i class="fa-solid fa-calendar-check mr-2"></i> Subscribe on Luma
</a>
</div>
</section>
<!-- Citation Section -->
<section class="py-12 section-primary border-t border-slate-200 dark:border-slate-700">
<div class="max-w-4xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center mb-6">
<h2 class="font-display text-2xl font-bold text-slate-900 dark:text-white">How to Cite</h2>
</div>
<div class="bg-white dark:bg-slate-800 p-6 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm">
<blockquote class="text-slate-700 dark:text-slate-300 text-sm leading-relaxed">
Mendez C. (2026) <em>Data Science for Development Studies: An Open Collection of Computational Notebooks and Apps.</em> Zenodo.
<a href="https://doi.org/10.5281/zenodo.15250204" target="_blank" class="text-brand-600 dark:text-brand-400 hover:underline">https://doi.org/10.5281/zenodo.15250204</a>
Website: <a href="https://cmg777.github.io/ds4ds" target="_blank" class="text-brand-600 dark:text-brand-400 hover:underline">https://cmg777.github.io/ds4ds</a>
</blockquote>
</div>
<div class="bg-white dark:bg-slate-800 p-6 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm mt-4">
<p class="text-xs font-semibold text-slate-500 dark:text-slate-400 uppercase tracking-wider mb-3">BibTeX</p>
<pre class="text-xs text-slate-700 dark:text-slate-300 leading-relaxed overflow-x-auto"><code>@collection{mendez_2026_ds4ds,
author = {Mendez, Carlos},
title = {Data Science for Development Studies: An Open Collection of Computational Notebooks and Apps},
year = {2026},
publisher = {Zenodo},
doi = {10.5281/zenodo.15250204},
url = {https://cmg777.github.io/ds4ds}
}</code></pre>
</div>
</div>
</section>
<!-- Resources Section -->
<section id="resources" class="scroll-mt-20 py-20 section-primary border-t border-slate-200 dark:border-slate-700">
<div class="max-w-6xl mx-auto px-4 sm:px-6 lg:px-8">
<div class="text-center mb-16">
<h2 class="font-display text-3xl font-bold text-slate-900 dark:text-white">Resources</h2>
<p class="mt-4 text-lg text-slate-600 dark:text-slate-400">Extend your learning with additional materials and tools.</p>
</div>
<div class="grid md:grid-cols-2 lg:grid-cols-3 gap-8">
<div class="reveal p-6 rounded-xl bg-slate-50 dark:bg-slate-700 border border-slate-200 dark:border-slate-600 hover:shadow-md transition-shadow">
<div class="flex items-center gap-3 mb-4">
<i class="fa-solid fa-graduation-cap text-2xl text-teal-600"></i>
<h3 class="text-lg font-bold text-slate-900 dark:text-white">Google Colab</h3>
</div>
<p class="text-slate-600 dark:text-slate-300 mb-4 text-sm">
Free cloud-based Jupyter notebooks for Python and R.
</p>
<a href="https://colab.research.google.com/" target="_blank"
class="inline-flex items-center text-brand-600 dark:text-brand-400 font-semibold hover:text-brand-700 dark:hover:text-brand-300">
Get Started <i class="fa-solid fa-arrow-right ml-2"></i>
</a>
</div>
<div class="reveal p-6 rounded-xl bg-slate-50 dark:bg-slate-700 border border-slate-200 dark:border-slate-600 hover:shadow-md transition-shadow">
<div class="flex items-center gap-3 mb-4">
<i class="fa-solid fa-globe text-2xl text-blue-600"></i>
<h3 class="text-lg font-bold text-slate-900 dark:text-white">Our World in Data</h3>
</div>
<p class="text-slate-600 dark:text-slate-300 mb-4 text-sm">
Explore global development data and research.
</p>
<a href="https://ourworldindata.org" target="_blank"
class="inline-flex items-center text-brand-600 dark:text-brand-400 font-semibold hover:text-brand-700 dark:hover:text-brand-300">
Explore <i class="fa-solid fa-arrow-right ml-2"></i>
</a>
</div>
<div class="reveal p-6 rounded-xl bg-slate-50 dark:bg-slate-700 border border-slate-200 dark:border-slate-600 hover:shadow-md transition-shadow">
<div class="flex items-center gap-3 mb-4">
<i class="fa-solid fa-satellite text-2xl text-orange-600"></i>
<h3 class="text-lg font-bold text-slate-900 dark:text-white">Google Earth Engine</h3>
</div>
<p class="text-slate-600 dark:text-slate-300 mb-4 text-sm">
Cloud-based geospatial analysis platform for satellite data.
</p>
<a href="https://earthengine.google.com/" target="_blank"
class="inline-flex items-center text-brand-600 dark:text-brand-400 font-semibold hover:text-brand-700 dark:hover:text-brand-300">
Learn More <i class="fa-solid fa-arrow-right ml-2"></i>
</a>
</div>
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<div class="flex items-center gap-3 mb-4">