Hi! This is my personal website where I post about all kinds of technology-related things. Most posts contain computations which can be reproduced by clicking the download link at the bottom of the post. For the source code of this website, see GitLab.

*2024-02-23***Encrypting and decrypting a secret with wasm_bindgen***Using AES-GCM using the Web Crypto (subtle.crypto) API.**2024-02-19***How much have batteries changed over time?***Looking at multiple years of data for phone and car batteries.**2024-01-28***An old solution to modern OpenAI GPTs problems***Running arbitrary programs inside a GPT.**2023-11-25***Triggering `entr`***Executing commands automatically upon file changes.**2023-01-24***GPT versus Google***Comparing results for queries from ChatGPT and Google.**2022-06-25***Why I still recommend Julia (for Data Science)***A deep dive on why the Julia language is productive**2022-03-19***Optimizing Julia code***How running time and time to first X can be reduced by fixing type inference problems.**2022-02-16***Static site authentication***Setting up authentication can be quite tricky. This post walks through a few options.**2021-12-01***Bayesian Latent Profile Analysis (mixture modeling)***This post discusses some latent analysis techniques and runs a Bayesian analysis for example data where the outcome is continuous, also known as latent profile analysis (LPA).**2021-11-17***Collinear Bayes***Verifying that a Bayesian model can handle collinearity better than a Frequentist model.**2021-11-07***Random forest, Shapley values and multicollinearity***How well do Shapley values and decision-tree-based models deal with multicollinearity?**2021-10-27***Nested cross-validation***Plots for nested cross-validation**2021-06-16***Increasing model accuracy by using foreknowledge***Using priors for binary logistic regression**2021-01-21***Random forest classification in Julia***Fitting a random forest classifier and reporting accuracy metrics.**2020-12-16***GitHub and GitLab commands cheatsheet***A cheatsheet for commands like 'Fix #2334'.**2020-11-29***Design cheatsheet***A summary of design tips and tricks.**2020-11-14***Frequentist and Bayesian coin flipping***Comparing both statistical paradigms on a coin flipping example.**2020-11-07***Installing NixOS with encryption on a Lenovo laptop***Specifically, installing NixOS on the Lenovo Yoga 7.**2020-11-04***The logit and logistic functions***Providing the definitions, some plots and useful values to remember.**2020-09-26***The principle of maximum entropy***Obtaining the least informative distribution.**2020-08-12***Writing effectively***Why writing should be valuable to the reader.**2020-07-29***Writing checklist***A list to quickly check for common mistakes in writing.**2020-06-28***Combinations and permutations***Deriving the equations for combinations and permutations.**2020-06-27***Comparing means and SDs***Transforming means and SDs from numbers in different ranges to the same range.**2020-05-11***Predicates and reproducibility***Thinking about the layers above statistics.**2020-03-05***Simple and binary regression***Applying a simple and binary (logistic) regression to simulated data.**2020-02-02***The greatest sales deck someone else has ever seen***It's Zuora's deck**2020-01-24***Correlations***The equations and some examples for the Pearson correlation coefficient.**2020-01-16***Benefits of writing blog posts***Convincing myself of why writing is a good habit to have.**2019-12-29***Statistical power from scratch***Explaining statistical power by first finding the binomial and normal distributions.**2019-12-03***Niceties in the Julia programming language***A quick walk through some Julia syntax and interesting features.**2019-12-01***NixOS configuration highlights***Particularily neat parts of using NixOS.**2019-10-29***Entr***A tool for executing commands automatically upon file changes.**2015-08-25***QoS setup using Tomato in combination with an Experiabox***My first blog post.*

Rik Huijzer.
The text is licensed under CC BY-SA 4.0.
The code is licensed under the MIT License.
Website built with Franklin.jl and the Julia programming language.
Last update: 2024-02-24.