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ThomasAFink

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Author: ThomasAFink

nerd • {fintech} • @terrafermi • geopolitics • astr●n●my • #design • fashi●n • iOS/Android software engineering • fiat enthusiast • student • ?????? • 25
10 Posts
Aug 13, 2023

40 Cities OSMnx/Networkx Dijkstra Adjacency Matrices for Traffic Prediction Graph Convolutional Networks

Uncategorized 0

About Adjacency matrices were calculated for 40 cities using sensor data from https://doi.org/10.1038/s41598-019-51539-5 (ETH Zürich). I personally rented a Google Cloud server for roughly 500€ to calculate these matrices because we have so few of them in…

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Aug 13, 2023August 13, 2023

Effectively Querying ChatGPT via the OpenAI API

Data Science 0

Intro to Language Processing Models The GPT (Generative Pre-trained Transformer) architecture, as its name implies, uses a Transformer architecture rather than an RNN (Recurrent Neural Network) as the foundation for ChatGPT-3. Due to their propensity…

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Mar 20, 2023

Why the Risks in the Derivatives Market are Often Overblown

Finance 0

Doom pornographers often enjoy posting terrifying tweets of the monstrous Jupiter sized derivatives market. The bubble boys love to post how any day now one of these banks with too much exposure to derivatives will…

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Feb 6, 2023February 6, 2023

Creating an Adjacency Matrix Using the Dijkstra Algorithm for Graph Convolutional Networks GCNs

Data Science 0

Alright so you have a list of geocoordinates (for example maybe street sensors) and you want to create an adjacency matrix to feed into your PyTorch or Tensorflow GCN model such as the A3T-GCN. This…

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Jan 31, 2023February 2, 2023

Quantitative Easing isn’t Inflationary

Finance 0

The greatest misunderstanding on finance Twitter is central bank lingo. For the past decade and a half tweeps have been yelling that quantitative easing QE is going to cause hyperinflation and the end of the…

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Jan 8, 2023

Understanding the Tether Stablecoin Dilemma and the Liquidity Issue

Finance 0

After the recent FTX collapse I want to return attention to what really is the underlying problem with the entire crypto ecosystem, namely the lack of real liquidity. This was brought on by the introduction…

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Jan 7, 2023January 11, 2023

My Favourite Podcasts From 2022 With Reviews

Uncategorized 0

I was never really a podcast sort of guy and I don’t even know if I ever opened the app on my iPhone before 2022. What did for me was finally turning down the knob…

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Dec 16, 2022December 16, 2022

Plotting a Macroscopic Fundamental Diagram for Data Scientists in Python for Traffic Flow in Congested Conditions

Data Science 0

A Macroscopic Fundamental Diagram, MFD, investigates the flow of traffic through a network of roads that span a spatial dimension. The relationship between the variables speed, flow, and density can be shown in three diagrams…

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Sep 18, 2022September 18, 2022

Plotting the Optimal Distance for Data Scientists in Python using the K-Nearest Neighbour K-NN Algorithm

Data Science, Uncategorized 0

This example uses the K-Nearest Neighbour K-NN to connect several points and plotting those as a graph on a Plotly map. This is a quick and simple example that data scientists can use to illustrate a path(s)…

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Aug 20, 2022

Plotting the Optimal Route for Data Scientists in Python using the Dijkstra Algorithm

Data Science 0

The following example uses OSMnx to generate the optimal path between two geocoordinates and between one and many points and plotting the path(s) on a Plotly map. This is a quick and simple example that…

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Recent Posts

  • 40 Cities OSMnx/Networkx Dijkstra Adjacency Matrices for Traffic Prediction Graph Convolutional Networks
  • Effectively Querying ChatGPT via the OpenAI API
  • Why the Risks in the Derivatives Market are Often Overblown
  • Creating an Adjacency Matrix Using the Dijkstra Algorithm for Graph Convolutional Networks GCNs
  • Quantitative Easing isn’t Inflationary

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