Dan Oehm | Gradient Descending

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Survivor Do or Die: Should you sit out or fight for immunity?

May 15, 2022No Comments

survivoR v1.0 is now on CRAN

May 14, 2022No Comments

Racial Bias in Survivor: Are People of Colour Disproportionately Voted Out First?

May 4, 2022No Comments
Australian Survivor Blood Vs Water confessional distribution

How Unbalanced is the Editing on Australian Survivor: Blood vs Water Compared to the US?

March 20, 2022No Comments
Data Science R

Applying gradient descent – primer / refresher

April 18, 2019 Daniel Oehm 0 Comments

Every so often a problem arises where it’s appropriate to use gradient descent, and it’s fun (and / or easier) […]

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Data Science R

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

April 5, 2019 Daniel Oehm 1 Comment

It’s generally accepted that Martingale betting strategies don’t work. But people still gravitate towards them because they are intuitive. I […]

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Data Science R

Adding Custom Fonts to ggplot in R

March 16, 2019 Daniel Oehm 2 Comments

ggplot – You can spot one from a mile away, which is great! And when you do it’s a silent […]

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Data Science R

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

February 15, 2019 Daniel Oehm 0 Comments

Townsville, Qld, has been inundated with torrential rain and has broken the record of the largest rainfall over a 10 […]

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Data Science R

Synthesising Multiple Linked Data Sets and Sequences in R

February 3, 2019 Daniel Oehm 0 Comments

In my last post I looked at generating synthetic data sets with the ‘synthpop’ package, some of the challenges and […]

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Data Science R

Generating Synthetic Data Sets with ‘synthpop’ in R

January 13, 2019 Daniel Oehm 2 Comments

Synthpop – A great music genre and an aptly named R package for synthesising population data. I recently came across […]

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Data Science R

Q-learning example with Liar’s Dice in R

December 20, 2018 Daniel Oehm 0 Comments

In my last post I coded Liar’s Dice in R and some brainless bots to play against. I build on […]

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Python

Secret Santa List Using Python

November 28, 2018 Daniel Oehm

It’s that time of year again. Christmas. Buying presents is a chore and stressful, so a popular option is Secret […]

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Data Science R

Liar’s Dice in R

November 24, 2018 Daniel Oehm

I have been playing Red Dead Redemption 2, immersing myself in the Old West as I did with the first […]

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Data Science R

Bayesian Network Example with the bnlearn Package

October 1, 2018 Daniel Oehm 0 Comments

Bayesian Networks are probabilistic graphical models and they have some neat features which make them very useful for many problems. […]

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Data Science R

Simple Parallel Processing in R

September 15, 2018 Daniel Oehm 0 Comments

I recently purchased a new laptop with an Intel i7-8750 6 core CPU with multi-threading meaning I have 12 logical […]

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Data Science R

Cribbage: Optimal Hand (part 1)

September 8, 2018 Daniel Oehm

Cribbage is one of my favourite card games and have been playing it ever since I could count. It is […]

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Data Science R

Probability of Selecting Matched Pairs and the Hypergeometric Distribution

August 8, 2018 Daniel Oehm 0 Comments

The problem Consider a case where we have a bag of marbles of size . The bag consists of black […]

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Data Science R

PCA vs Autoencoders for Dimensionality Reduction

July 28, 2018 Daniel Oehm 0 Comments

There are a few ways to reduce the dimensions of large data sets to ensure computational efficiency such as backwards […]

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Data Science R

Confidentialise Your Data with the randomNames Package

July 23, 2018 Daniel Oehm 0 Comments

Sensitive data has it’s restrictions for good reason. Personal data such as names and other identifiable information should be protected. […]

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I'm pleased to be a contributor to R Bloggers. It is where you will find most of my posts featuring R.
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Recent Posts
  • Survivor Do or Die: Should you sit out or fight for immunity?
  • survivoR v1.0 is now on CRAN
  • Racial Bias in Survivor: Are People of Colour Disproportionately Voted Out First?
  • How Unbalanced is the Editing on Australian Survivor: Blood vs Water Compared to the US?
  • survivoR now on CRAN!
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