Dan Oehm | Gradient Descending

  • Home
  • About Me
  • Data Science
  • R
  • Survivor
  • Ultrarunning
  • Contact

Tag: Data Science

Data Science R

Simulating data with Bayesian networks

October 15, 2019 Daniel Oehm 0 Comments

Bayesian networks are really useful for many applications and one of those is to simulate new data. Bayes nets represent […]

Continue Reading...

Data Science R

Use more of your data with matrix factorisation

September 12, 2019 Daniel Oehm 0 Comments

Previously I posted on how to apply gradient descent on linear regression as an example. With that as background it’s […]

Continue Reading...

Data Science R

Queensland road accidents mapped with Shiny and leaflet in R

May 2, 2019 Daniel Oehm 0 Comments

The Queensland government collects data on road accidents dating back to 1st January 2001 and details characteristics of the incident […]

Continue Reading...

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) […]

Continue Reading...

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 […]

Continue Reading...

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 […]

Continue Reading...

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 […]

Continue Reading...

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 […]

Continue Reading...

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 […]

Continue Reading...

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 […]

Continue Reading...

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. […]

Continue Reading...

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 […]

Continue Reading...

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 […]

Continue Reading...

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 […]

Continue Reading...

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 […]

Continue Reading...

Posts navigation

Older posts
Bits and Pieces
I'm pleased to be a contributor to R Bloggers. It is where you will find most of my posts featuring R.
Quick Links
Links to Survivor assets:
  • survivoR R package Github repo
  • Survivor Confessionals repo
  • Fantasy Survivor Scorecard
  • Birthday Calendar
  • Follow me on Twitter
    Tweets by @danoehm
    Recent Posts
    • Alone R package: Datasets from the survival TV series
    • Select colours from an image in R with {eyedroppeR}
    • How to crop an image to a circle in R with {cropcircles}
    • Survivor Confessionals Data: Dataset showcase for {survivoR}
    • How to use multiple colour scales in ggplot with {ggnewscale}
    Archives
    • January 2023 (1)
    • December 2022 (1)
    • September 2022 (1)
    • July 2022 (1)
    • June 2022 (2)
    • May 2022 (3)
    • March 2022 (1)
    • April 2021 (1)
    • January 2021 (1)
    • August 2020 (1)
    • June 2020 (1)
    • April 2020 (1)
    • October 2019 (1)
    • September 2019 (1)
    • August 2019 (1)
    • May 2019 (2)
    • April 2019 (3)
    • March 2019 (1)
    • February 2019 (2)
    • January 2019 (1)
    • December 2018 (1)
    • November 2018 (2)
    • October 2018 (1)
    • September 2018 (2)
    • August 2018 (1)
    • July 2018 (4)
    • June 2018 (6)
    • May 2018 (6)
    Categories
    • Data Science 42
    • Python 2
    • R 40
    • Survivor 6
    • Ultrarunning 2
    Meta
    • Log in
    • Entries feed
    • Comments feed
    • WordPress.org
    © 2023 Dan Oehm | Gradient Descending. All rights reserved.
    Theme by WPWarfare Powered by WordPress