Simulating data with Bayesian networks
Bayesian networks are really useful for many applications and one of those is to simulate new data. Bayes nets represent […]
Tag: Data Science
Use more of your data with matrix factorisation
Previously I posted on how to apply gradient descent on linear regression as an example. With that as background it’s […]
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 […]
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) […]
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 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 […]
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 […]
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 […]
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 […]
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 […]
Bayesian Network Example with the bnlearn Package
Bayesian Networks are probabilistic graphical models and they have some neat features which make them very useful for many problems. […]
Simple Parallel Processing in R
I recently purchased a new laptop with an Intel i7-8750 6 core CPU with multi-threading meaning I have 12 logical […]
Cribbage: Optimal Hand (part 1)
Cribbage is one of my favourite card games and have been playing it ever since I could count. It is […]
Probability of Selecting Matched Pairs and the Hypergeometric Distribution
The problem Consider a case where we have a bag of marbles of size . The bag consists of black […]
PCA vs Autoencoders for Dimensionality Reduction
There are a few ways to reduce the dimensions of large data sets to ensure computational efficiency such as backwards […]
