What is a Data Scientist and Do You Need One?
It’s true what they say, Data Science is a buzzword but it’s a buzzword that has been around for a […]
Month: May 2018
Singular Value Decomposition: Image Compression
Singular value decomposition (SVD) is a matrix factorisation technique. It is a method to factorise any given matrix into 3 […]
What is the Bayes Factor anyway?
The Bayes Factor is a quantitative measure of much evidence there is for hypothesis A relative to hypothesis B given […]
Forecasting Air Pollution Levels with State Space Models
Recently I was looking at a Kaggle dataset on air quality and the relationships between the concentrations of contaminants and […]
State Space Models for Time Series Analysis and the dlm package
State space modelling is a popular technique for forecasting and smoothing time series data. There are two main components which […]
Classifying with Discrete Time Markov Chains
Discrete Time Markov Chain A discrete time markov chain is a stochastic model describing a sequence of observed events. The […]
Metropolis-Hastings Algorithm from Scratch
Metropolis Algorithm The Metropolis algorithm is a common acceptance/rejection algorithm for sampling from target distributions and a key tool for […]
