Evaluating impact of interventions
Protect yourself from costly bandits
All Posts
2018
Deep learning in R
Keras, the LEGO of deep learning
2017
Classification of spreadsheets
Helping a machine to make sense of tabular data
t-Distributed Stochastic Neighbor Embedding
Visualising high-dimensional datasets
Principal Component Analysis
Summarising data using fewer features
Mastering Bayes
Are you Frequently A / B testing?
Agent Based Modelling
The game of life
Deploying a model
How to show off your random forest
Shiny interactive map app development
The dangers of cherry picking evidence
It's if_else statements all the way down...
How to tidy up multiple if and else if statements
Dealing with dates
Easy date aggregations
Monster Hunting with XGBoost
The prize winning, scalable, portable and distributed Gradient Boosting algorithm
Newyearal Networks
Back to basics with Artificial Neural Networks
2016
Genetic programming in space
A supervised learning method motivated by an analogy to biological evolution
Test Driven Development
Letting testthat do the heavy lifting
Sold!
Advanced Regression techniques for predicting house prices
Sparking your interest in a dry subject
Using Spark and R for regression of concrete strength
The Fast and the Furiously Frugal
Quick and easy classification
Regime Switching Model
Forecasting regime changes in market turbulence
A pipe dream
Complex decisions made simple
Phat Maps
Mapping obesity in the UK
Discrete Time Markov Chains
My data science journey is a Markov Chain
map_df()
Combining objects as data_frames in purrr
Nearest neighbour methods
A simple non-linear classifier using nearest-neighbour averaging
The Game of Kaggle
Predicting survival of passengers on the Titanic
Getting to grips with 'Elements of statistical learning'
Linear models and least squares
Predicting virtual hat sales in Dota 2
Working with time series data and basic forecasting
The magic of neural networks
Student attainment prediction with neural networks
The Hadley Effect
What happens when Hadley reads your blog
Iteratively applying models
Using dplyr, broom, and purrr to make life easy
Assessing classifier performance
Evaluating performance of supervised learning tools
Support vector machines for forest fire prediction
Predicting forest fire scale using support vector machines
Logistic regression for student performance prediction
Predicting student end of year performance using logistic regression
Lookup tables
Using character matching for quick lookups
Student performance in Portugal
Predicting student performance using CART
Measuring light with a Raspberry Pi
A year's data collected with a simple LDR based light sensor
Raspberry Pi MQTT broker
Setting up minibian
IoT with the ESP8266
A low cost Wi-Fi serial module
Sensing temperature with a Raspberry Pi
A year of measurements
2015
Measuring obsession
Home monitoring with Raspberry Pis
Unsupervised learning with K-means
A simple implementation
Reproducible journal articles
Writing papers for peer review with knitr
Visualising FAO data
Making bubble maps in R
Growing up
Using classes in R
Elastic-net regularisation
Using R package glmnet for regularisation
SylvaSense Part II
Adding temperature monitoring to the equation
SylvaSense Part I
Using an arduino for environmental sensing
Regularised linear regression
Adding regularisation to vectorised linear regression
Too hot to cycle?
Do Londoners and New Yorkers disagree?
Writing a PhD thesis in LaTeX and R
Some lessons learned the hard way
Handwriting recognition with logistic regression
Simple multiclass classification
Non-linear classification with logistic regression
Implementing regularisation and feature mapping
Implementing vectorised logistic regression
Comparing vectorised methods with general linear models
Multivariate linear regression
Feature scaling and gradient descent
Linear regression with gradient descent
Linear regression the machine learning way
Gradient descent in R
Implementing gradient decsent in R
Finding the right blogging platform
Blogger, WordPress, Jekyll?
2014
LondonR 2014 - ggvis
ggvis workshop at LondonR by Aimee Gott
Do women take the scenic route or do men cycle faster?
Using the Google routing API via ggmap
Is CitiBike an old boy's club?
Gender differences in the New York cycle hire data