Hennie de Harder – Medium

Hennie de Harder

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Hennie de Harder

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Jun 5, 2025

Graph Neural Networks Part 3. How GraphSAGE Handles Changing Graph Structure

And how you can use it for large graphs

Graph Neural Networks Part 3. How GraphSAGE Handles Changing Graph Structure

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Data Science Collective

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Hennie de Harder

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Jun 5, 2025

Graph Neural Networks Part 4: Teaching Models to Connect the Dots

Heuristic and GNN-based approaches to Link Prediction

Graph Neural Networks Part 4: Teaching Models to Connect the Dots

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TDS Archive

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Hennie de Harder

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Jan 14, 2025

You Think 80% Means 80%? Why Prediction Probabilities Need a Second Look

Understand the gap between predicted probabilities and real-world outcomes

You Think 80% Means 80%? Why Prediction Probabilities Need a Second Look

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TDS Archive

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Hennie de Harder

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Oct 8, 2024

Graph Neural Networks Part 2. Graph Attention Networks vs. GCNs

A model that pays attention to your graph

Graph Neural Networks Part 2. Graph Attention Networks vs. GCNs

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TDS Archive

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Hennie de Harder

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Oct 1, 2024

Graph Neural Networks Part 1. Graph Convolutional Networks Explained

Node classification with Graph Convolutional Networks

Graph Neural Networks Part 1. Graph Convolutional Networks Explained

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bigdatarepublic

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Hennie de Harder

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May 27, 2024

Exploring the Uncharted Territories of Math in Data Science

Beyond the usual topics like statistics, calculus, and linear algebra

Exploring the Uncharted Territories of Math in Data Science

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TDS Archive

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Hennie de Harder

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Apr 18, 2024

Combining Storytelling and Design for Unforgettable Presentations

How to craft slide decks that stand out

Combining Storytelling and Design for Unforgettable Presentations

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TDS Archive

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Hennie de Harder

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Feb 16, 2024

Monte Carlo Methods Decoded

Solving complex problems with simulations

Monte Carlo Methods Decoded

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TDS Archive

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Hennie de Harder

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Dec 5, 2023

Finding Optimal Solutions with Branch and Bound

A powerful algorithm for solving discrete optimization problems

Finding Optimal Solutions with Branch and Bound

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TDS Archive

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Hennie de Harder

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Nov 16, 2023

Is This the Solution to P-Hacking?

E-values, a better alternative for p-values

Is This the Solution to P-Hacking?

Hennie de Harder

Hennie de Harder

📈 Data Scientist & ML Engineer 💡 Simplifying complex topics ✨ Sharing fun side projects 💻 Working at IKEA and BigData Republic 🐈 Love math, cats, & running

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