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104    <p><a href="https://datascienceconfidential.github.io">Blog</a></p>
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109    Latest Posts
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111    
112        <a class="sidebar-nav-item" href="/economics/book-reviews/2026/09/05/ashbys-law.html">05 Sep 2026 &raquo; Ashby's Law of Requisite Variety</a>
113    
114        <a class="sidebar-nav-item" href="/r/economics/book-reviews/2026/07/19/reading-radical-undertainty.html">19 Jul 2026 &raquo; Reading 'Radical Uncertainty'</a>
115    
116        <a class="sidebar-nav-item" href="/r/predictive-models/2026/05/14/is-logistic-regression-regression.html">14 May 2026 &raquo; Is logistic regression regression?</a>
117    
118        <a class="sidebar-nav-item" href="/mathematics/2026/05/08/subtraction-and-telephone-numbers-2.html">08 May 2026 &raquo; Subtraction and Telephone Numbers II</a>
119    
120        <a class="sidebar-nav-item" href="/mathematics/2026/04/23/subtraction-and-telephone-numbers.html">23 Apr 2026 &raquo; Subtraction and Telephone Numbers</a>
121    
122        <a class="sidebar-nav-item" href="/jekyll/2026/03/15/adding-citations.html">15 Mar 2026 &raquo; Adding a citation system</a>
123    
124        <a class="sidebar-nav-item" href="/economics/ai/llm/r/2026/01/07/so-how-much-does-openai-owe-us.html">07 Jan 2026 &raquo; So how much does OpenAI owe us?</a>
125    
126        <a class="sidebar-nav-item" href="/r/2025/12/04/embedding-quarto.html">04 Dec 2025 &raquo; Embedding a Quarto presentation in a blog post</a>
127    
128        <a class="sidebar-nav-item" href="/economics/r/2025/11/17/von-thuenen.html">17 Nov 2025 &raquo; Thuenen's Natural Wage and the K-shaped Economy</a>
129    
130        <a class="sidebar-nav-item" href="/r/ai/deep-learning/predictive-models/2025/10/26/double-descent-explained.html">26 Oct 2025 &raquo; Double Descent Explained</a>
131    
132        <a class="sidebar-nav-item" href="/economics/r/javascript/fermi-estimation/2025/10/02/2d-growth-model.html">02 Oct 2025 &raquo; Adding random transport links to a 2D growth model</a>
133    
134        <a class="sidebar-nav-item" href="/economics/games/2025/09/10/million-dollar-secret.html">10 Sep 2025 &raquo; Millionaires and Werewolves</a>
135    
136        <a class="sidebar-nav-item" href="/ai/economics/r/2025/08/05/ai-replacement-wash-hires.html">05 Aug 2025 &raquo; AI Replacement and Wash Hires</a>
137    
138        <a class="sidebar-nav-item" href="/economics/2025/07/24/matching-frictions.html">24 Jul 2025 &raquo; What the Job Market is Like</a>
139    
140        <a class="sidebar-nav-item" href="/statistics/economics/r/2025/07/10/paradoxes-in-credit-risk-II.html">10 Jul 2025 &raquo; Paradoxes in Credit Risk II: The Through-the-Door Problem</a>
141    
142        <a class="sidebar-nav-item" href="/statistics/r/2025/06/17/post-bayesian.html">17 Jun 2025 &raquo; Post-Bayesianism? Let's try it!</a>
143    
144        <a class="sidebar-nav-item" href="/statistics/r/2025/05/28/conclave.html">28 May 2025 &raquo; Applying GARCH and INGARCH models to papal conclaves</a>
145    
146        <a class="sidebar-nav-item" href="/economics/r/2025/04/28/how-the-dsge-sausage-is-made.html">28 Apr 2025 &raquo; How the DSGE sausage is made</a>
147    
148        <a class="sidebar-nav-item" href="/python/2025/03/30/python-for-machine-learning.html">30 Mar 2025 &raquo; How to set up Python for machine learning on Windows 11</a>
149    
150        <a class="sidebar-nav-item" href="/economics/r/2025/02/06/yuan-dynasty-inflation.html">06 Feb 2025 &raquo; Inflation in mediaeval China</a>
151    
152        <a class="sidebar-nav-item" href="/economics/2024/12/23/paper-plates.html">23 Dec 2024 &raquo; Paper Plates and Interest Rates</a>
153    
154        <a class="sidebar-nav-item" href="/statistics/probability/2024/12/02/mount-everest.html">02 Dec 2024 &raquo; Death on Mount Everest, Regression to the Mean, and the Gambler's Fallacy</a>
155    
156        <a class="sidebar-nav-item" href="/economics/r/fermi-estimation/2024/11/08/interview-hell.html">08 Nov 2024 &raquo; How many interview rounds is too many?</a>
157    
158        <a class="sidebar-nav-item" href="/statistics/economics/2024/09/30/paradoxes-in-credit-risk-1.html">30 Sep 2024 &raquo; Paradoxes in Credit Risk I: Simpson's Paradox</a>
159    
160        <a class="sidebar-nav-item" href="/probability/bayesian/python/r/2024/08/13/raygun.html">13 Aug 2024 &raquo; Raygun: A Bayesian Breakdown</a>
161    
162        <a class="sidebar-nav-item" href="/python/ai/llm/2024/07/19/linkedin-profile-photo-chooser.html">19 Jul 2024 &raquo; Using open source AI to choose a LinkedIn profile photo</a>
163    
164        <a class="sidebar-nav-item" href="/economics/2024/06/27/monetary-versus-fiscal-policy.html">27 Jun 2024 &raquo; Monetary versus Fiscal Policy</a>
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166        <a class="sidebar-nav-item" href="/python/nlp/2024/05/14/things-central-bankers-say.html">14 May 2024 &raquo; Things Central Bankers Say</a>
167    
168        <a class="sidebar-nav-item" href="/bayesian/2024/03/19/layoffs-revisited.html">19 Mar 2024 &raquo; All models are useless, but some are wrong</a>
169    
170        <a class="sidebar-nav-item" href="/nlp/llm/2024/02/23/onegin-markov.html">23 Feb 2024 &raquo;

170 Academia? Are you... Are you OK?</a>
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172        <a class="sidebar-nav-item" href="/python/llm/chatgpt/nlp/2024/02/06/olmo.html">06 Feb 2024 &raquo; Worse than Useless?</a>
173    
174        <a class="sidebar-nav-item" href="/bayesian/2023/12/08/triceratops.html">08 Dec 2023 &raquo; Triceratopic</a>
175    
176        <a class="sidebar-nav-item" href="/bayesian/2023/05/19/tech-layoff-epidemic.html">19 May 2023 &raquo; When will the tech bloodbath end?</a>
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178        <a class="sidebar-nav-item" href="/ai/chatgpt/2023/03/11/testers-will-be-kings.html">11 Mar 2023 &raquo; Testers will be Kings</a>
179    
180        <a class="sidebar-nav-item" href="/statistics/video/2022/10/31/power-laws-and-popularity.html">31 Oct 2022 &raquo; Power Laws and Popularity</a>
181    
182        <a class="sidebar-nav-item" href="/deep-learning/nlp/python/2021/11/07/never-minus-june-blance.html">07 Nov 2021 &raquo; Never Minus June Blance</a>
183    
184        <a class="sidebar-nav-item" href="/statistics/linear-regression/r/neural-networks/2021/08/10/perceptron-regression-puzzle.html">10 Aug 2021 &raquo; Solving a regression puzzle with a custom perceptron</a>
185    
186        <a class="sidebar-nav-item" href="/statistics/linear-regression/python/2021/06/01/r-squared.html">01 Jun 2021 &raquo; Bad Statistical Terminology 3: R Squared</a>
187    
188        <a class="sidebar-nav-item" href="/mathematics/algebra/2021/03/23/kaplansky-conjecture.html">23 Mar 2021 &raquo; Giles Gardam settled Kaplansky's Conjecture</a>
189    
190        <a class="sidebar-nav-item" href="/statistics/2021/03/12/powers-logs.html">12 Mar 2021 &raquo; Powers, logs and Lambert W</a>
191    
192        <a class="sidebar-nav-item" href="/statistics/2020/10/20/ridit.html">20 Oct 2020 &raquo; Why Ridits?</a>
193    
194        <a class="sidebar-nav-item" href="/statistics/linear-regression/2020/08/16/line-of-best-fit.html">16 Aug 2020 &raquo; Bad Statistical Terminology 2: Line of Best Fit</a>
195    
196        <a class="sidebar-nav-item" href="/statistics/probability/2020/07/23/confidence-intervals.html">23 Jul 2020 &raquo; Bad Statistical Terminology 1: Confidence Level</a>
197    
198        <a class="sidebar-nav-item" href="/mathematics/probability/2020/04/30/gladiator2.html">30 Apr 2020 &raquo; Gladiator Simulator, Part II</a>
199    
200        <a class="sidebar-nav-item" href="/mathematics/probability/2020/04/14/gladiator.html">14 Apr 2020 &raquo; Gladiator Simulator</a>
201    
202        <a class="sidebar-nav-item" href="/deep-learning/nlp/predictive-models/python/2020/03/29/cat-or-dog.html">29 Mar 2020 &raquo; Cat or Dog? Classifying pets by name</a>
203    
204        <a class="sidebar-nav-item" href="/predictive-models/r/exploratory-data-analysis/time-series/2019/05/30/board-game-eda.html">30 May 2019 &raquo; Board Game Group EDA</a>
205    
206        <a class="sidebar-nav-item" href="/predictive-models/python/r/2019/02/26/independence-of-rows.html">26 Feb 2019 &raquo; A Cautionary Tale about SMOTE</a>
207    
208        <a class="sidebar-nav-item" href="/javascript/games/2018/05/05/roc-game.html">05 May 2018 &raquo; ROC game</a>
209    
210        <a class="sidebar-nav-item" href="/predictive-models/javascript/2018/04/18/ROC-and-CAP.html">18 Apr 2018 &raquo; ROC versus CAP</a>
211    
212        <a class="sidebar-nav-item" href="/puzzle/python/mathematics/r/2018/02/07/jigsaw-equation.html">07 Feb 2018 &raquo; Jigsaw Equation</a>
213    
214        <a class="sidebar-nav-item" href="/r/2017/12/28/how-to-read-source-code-internal-r-function.html">28 Dec 2017 &raquo; How to read the source code of an internal R function</a>
215    
216        <a class="sidebar-nav-item" href="/r/2017/12/11/tibbles.html">11 Dec 2017 &raquo; Tibbles</a>
217    
218        <a class="sidebar-nav-item" href="/r/graphics/2017/11/23/soothing-pastel-colours-in-r.html">23 Nov 2017 &raquo; Soothing Pastel Colours in R</a>
219    
220        <a class="sidebar-nav-item" href="/github/jekyll/2017/10/29/jekyll-blog.html">29 Oct 2017 &raquo; Creating a blog with Github Pages</a>
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263	<h1 style="font-family:monospace; font-weight:bold;">Data Science Confidential</h1>
264	<p>This is a blog about the theory and practice of statistics, machine learning, data visualisation, and so on. I am also very interested in economics. Here's a <a href="https://rtrvale.github.io/">link to my homepage</a> with some other projects I have done, as well as lecture notes from old courses.
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