Grant HoltesDecoding Yield Curves: The Covariance Matrix and its Ripple Effect on PCA-based DecompositionInvestigating the impact of covariance matrix estimator choice on yield curve decomposition with PCA6 min read·Nov 26, 2023----
Grant HoltesinDataDrivenInvestorPerhaps don’t keep-it-super-simpleAnalysis of covariance matrix estimators for simple portfolio optimisation9 min read·Nov 26, 2023----
Grant HoltesinCodeXBuilding Better Playlists: Spotify IntegrationUsing Spotify’s developer tools to create my own methods to interact with the Spotify music universe4 min read·Dec 26, 2021----
Grant HoltesinDataSeriesPlaylist Optimisation as a Traveling Salesperson ProblemUsing Spotify’s developer tools to create my own methods to interact with the Spotify music universe5 min read·Dec 26, 2021----
Grant HoltesinAnalytics VidhyaExtracting Colour Palettes with Unsupervised LearningColor combination analysis with chained clustering3 min read·Feb 4, 2021--1--1
Grant HoltesinTowards Data ScienceA single technique to model forest fires, pandemics and economiesExploring interacting agent modelling in Python5 min read·Jan 11, 2021----
Grant HoltesinDataSeriesExtracting Colour Palettes with Unsupervised LearningColour combination analysis with chained clustering3 min read·Nov 14, 2020----
Grant HoltesinDataSeriesThe Surprising Pattern of Food and Service Deserts in VictoriaAccess to groceries, banks and other basic services in Victoria varies with income, but not the way you may think.2 min read·Jul 21, 2020----
Grant HoltesinTowards Data ScienceComparison of Dimensionality Reduction Techniques for Image Art Style EmbeddingsThis task was undertaken as part of a proof of concept for Look and Learn, an online library of high definition historical pictures.4 min read·Dec 22, 2019----
Grant HoltesinTowards Data ScienceDeveloping Art Style Embeddings for Visual Similarity Comparison of ArtworksThis task was undertaken as part of a proof of concept for Look and Learn, an online library of high definition historical pictures.6 min read·Sep 1, 2019--1--1