Blog Archives

Queensland road accidents mapped with Shiny and leaflet in R

May 2, 2019
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Queensland road accidents mapped with Shiny and leaflet in R

The Queensland government collects data on road accidents dating back to 1st January 2001 and details characteristics of the incident The post Queensland road accidents mapped with Shiny and leaflet in R appeared first on Daniel Oehm | Gradient Descending.

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Applying gradient descent – primer / refresher

April 18, 2019
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Applying gradient descent – primer / refresher

Every so often a problem arises where it’s appropriate to use gradient descent, and it’s fun (and / or easier) The post Applying gradient descent – primer / refresher appeared first on Daniel Oehm | Gradient Descending.

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Martingale strategies don’t work, but we knew that – Simulation analysis in R

April 5, 2019
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Martingale strategies don’t work, but we knew that – Simulation analysis in R

It’s generally accepted that Martingale betting strategies don’t work. But people still gravitate towards them because they are intuitive. I The post Martingale strategies don’t work, but we knew that – Simulation analysis in R appeared first on Daniel Oehm | Gradient Descending.

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Adding Custom Fonts to ggplot in R

March 15, 2019
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Adding Custom Fonts to ggplot in R

ggplot – You can spot one from a mile away, which is great! And when you do it’s a silent The post Adding Custom Fonts to ggplot in R appeared first on Daniel Oehm | Gradient Descending.

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The Most Amount of Rain over a 10 Day Period on Record

February 14, 2019
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The Most Amount of Rain over a 10 Day Period on Record

Townsville, Qld, has been inundated with torrential rain and has broken the record of the largest rainfall over a 10 The post The Most Amount of Rain over a 10 Day Period on Record appeared first on Daniel Oehm | Gradient Descending.

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Synthesising Multiple Linked Data Sets and Sequences in R

February 3, 2019
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Synthesising Multiple Linked Data Sets and Sequences in R

In my last post I looked at generating synthetic data sets with the ‘synthpop’ package, some of the challenges and The post Synthesising Multiple Linked Data Sets and Sequences in R appeared first on Daniel Oehm | Gradient Descending.

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Generating Synthetic Data Sets with ‘synthpop’ in R

January 12, 2019
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Generating Synthetic Data Sets with ‘synthpop’ in R

Synthpop – A great music genre and an aptly named R package for synthesising population data. I recently came across The post Generating Synthetic Data Sets with ‘synthpop’ in R appeared first on Daniel Oehm | Gradient Descending.

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Q-learning example with Liar’s Dice in R

December 20, 2018
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Q-learning example with Liar’s Dice in R

In my last post I coded Liar’s Dice in R and some brainless bots to play against. I build on The post Q-learning example with Liar’s Dice in R appeared first on Daniel Oehm | Gradient Descending.

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Liar’s Dice in R

November 23, 2018
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Liar’s Dice in R

I have been playing Red Dead Redemption 2, immersing myself in the Old West as I did with the first The post Liar’s Dice in R appeared first on Daniel Oehm | Gradient Descending.

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Hidden Markov Model example in r with the depmixS4 package

November 6, 2018
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Hidden Markov Model example in r with the depmixS4 package

Recently I developed a solution using a Hidden Markov Model and was quickly asked to explain myself. What are they The post Hidden Markov Model example in r with the depmixS4 package appeared first on Daniel Oehm | Gradient Descending.

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