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2019

Generalized residuals (or pseudoresponses)original ↗
31 May 2019
Big O_p and little o_p notationoriginal ↗
22 May 2019
Exchangeability, de Finetti’s theorem and Pólya’s urnoriginal ↗
3 May 2019
What is profile likelihood?original ↗
30 Apr 2019
Kolmogorov’s strong law of large numbersoriginal ↗
29 Apr 2019
Probability of winning a best-of-7-series (part 2)original ↗
25 Apr 2019
Probability of winning a best-of-7 seriesoriginal ↗
23 Apr 2019
Deviance for logistic regressionoriginal ↗
22 Apr 2019
What is the Poisson binomial distribution?original ↗
18 Apr 2019
Two interesting facts about high-dimensional random projectionsoriginal ↗
16 Apr 2019
The sinh-arcsinh normal distributionoriginal ↗
15 Apr 2019
Testing numeric variables for NA/NaN/Inforiginal ↗
9 Apr 2019
Many ways to do the same thing: linear regressionoriginal ↗
8 Apr 2019
Influence functions and plug-in estimatorsoriginal ↗
6 Apr 2019
Wolpert’s “no free lunch” theorem for supervised learningoriginal ↗
5 Apr 2019
Power method for obtaining the top eigenvectororiginal ↗
27 Mar 2019
What is deviance?original ↗
27 Mar 2019
Change of basis formulaoriginal ↗
20 Mar 2019
Proximal operators and generalized gradient descentoriginal ↗
18 Mar 2019
What is the Durbin-Watson test?original ↗
13 Mar 2019
Loss functions for different types of dataoriginal ↗
6 Mar 2019
Johnson-Lindenstrauss Lemmaoriginal ↗
5 Mar 2019
The Gaussian Poincaré inequalityoriginal ↗
1 Mar 2019
Plots within plots with ggplot2 and ggmaporiginal ↗
24 Feb 2019
What is the jackknife?original ↗
20 Feb 2019
Beamer: inserting section slides before each sectionoriginal ↗
18 Feb 2019
R formula syntaxoriginal ↗
14 Feb 2019
The math behind quantile regressionoriginal ↗
9 Feb 2019
Installing a package from a local .tar.gz fileoriginal ↗
5 Feb 2019
Quantile regression in Roriginal ↗
1 Feb 2019
Simulated annealing for optimizationoriginal ↗
26 Jan 2019
pcLasso: a new method for sparse regressionoriginal ↗
14 Jan 2019
A deep dive into glmnet: offsetoriginal ↗
9 Jan 2019
The Bayesian lassooriginal ↗
3 Jan 2019

2018

Bayesian interpretation of ridge regressionoriginal ↗
29 Dec 2018
Using emojis as scatterplot pointsoriginal ↗
28 Dec 2018
Medians in high dimensionsoriginal ↗
21 Dec 2018
Laplace distribution as a mixture of normalsoriginal ↗
21 Dec 2018
All the (NBA) box scores you ever wantedoriginal ↗
18 Dec 2018
Recreating the NBA lead tracker graphicoriginal ↗
13 Dec 2018
Scraping NBA game data from basketball-reference.comoriginal ↗
11 Dec 2018
See all of R’s shortcutsoriginal ↗
10 Dec 2018
Multivariate differentiation: simple rulesoriginal ↗
4 Dec 2018
Multivariate differentiationoriginal ↗
3 Dec 2018
Pseudoinverses and linear systemsoriginal ↗
28 Nov 2018
Matrix pseudoinversesoriginal ↗
27 Nov 2018
A deep dive into glmnet: standardizeoriginal ↗
15 Nov 2018
A deep dive into glmnet: penalty.factororiginal ↗
13 Nov 2018
Gradient descent as a minimization problemoriginal ↗
9 Nov 2018
Matrix normsoriginal ↗
7 Nov 2018
Coordinate descent doesn’t always work for convex functionsoriginal ↗
30 Oct 2018
Soft-thresholding and the sgn functionoriginal ↗
29 Oct 2018
Getting started: Stamen maps with ggmaporiginal ↗
25 Oct 2018
Horvitz–Thompson estimatororiginal ↗
18 Oct 2018
Properties of real symmetric matricesoriginal ↗
16 Oct 2018
Extracting elements from a tibbleoriginal ↗
16 Oct 2018
Obtaining the number of components from cross validation of principal components regressionoriginal ↗
15 Oct 2018
Subsetting in the presence of NAsoriginal ↗
7 Oct 2018
Bounded random variables are sub-Gaussianoriginal ↗
5 Oct 2018
Hoeffding’s inequalityoriginal ↗
4 Oct 2018
Converting a list of vectors into a matrix in Roriginal ↗
19 Sept 2018
Matrix decompositionsoriginal ↗
14 Sept 2018
Different winners under different criteriaoriginal ↗
22 Aug 2018
Exploring point distribution in the English Premier Leagueoriginal ↗
17 Aug 2018
Using the scales package to change alpha in base R plotsoriginal ↗
17 Aug 2018
Clustering EPL teams using k-means clusteringoriginal ↗
10 Aug 2018
Is soccer more a game of chance, or a game of skill?original ↗
9 Aug 2018
Two common mistakes with the colon operator in Roriginal ↗
3 Aug 2018
The SCAD penaltyoriginal ↗
31 Jul 2018
Bounds/constraints on leverage in linear regressionoriginal ↗
30 Jul 2018
The PRESS statistic for linear regressionoriginal ↗
30 Jul 2018
Ordinary cross validation and the PRESS statisticoriginal ↗
30 Jul 2018
FIFA World Cup analysesoriginal ↗
23 Jul 2018
Eigenvalues of a special correlation matrixoriginal ↗
20 Jul 2018
Different types of regularizationoriginal ↗
17 Jul 2018
Linear regression with or without interceptoriginal ↗
11 Jul 2018
World cup group stage outcomesoriginal ↗
27 Jun 2018
World cup 2018 FAQoriginal ↗
24 Jun 2018
Derivative of log (det X)original ↗
24 May 2018
Rank of ABoriginal ↗
20 May 2018
Empty data frame in Roriginal ↗
20 May 2018
Banach, Hilbert and Sobolev spacesoriginal ↗
19 May 2018
Contour plots in Grapheroriginal ↗
21 Apr 2018
Math expressions in R plotsoriginal ↗
12 Apr 2018
Matrix expansions and manipulationsoriginal ↗
27 Mar 2018
Toeplitz covariance structureoriginal ↗
26 Mar 2018
Weighted least squaresoriginal ↗
13 Mar 2018
Sylvester’s determinant identityoriginal ↗
11 Mar 2018
Determinant of a block matrixoriginal ↗
10 Mar 2018
Negative binomial distribution as a mixture of Poissonsoriginal ↗
5 Mar 2018
t distribution as a mixture of normalsoriginal ↗
3 Mar 2018
Importance sampling exampleoriginal ↗
27 Feb 2018
Approximating large normal quantiles 2original ↗
24 Feb 2018
Approximating large normal quantilesoriginal ↗
24 Feb 2018
Bounding the normal tailoriginal ↗
18 Feb 2018
Hotelling’s T^2 testoriginal ↗
17 Feb 2018
Projection matrix for a subspaceoriginal ↗
11 Feb 2018
X^TX and ridge regressionoriginal ↗
9 Feb 2018
Sampling a multivariate Gaussian subject to a half-space constraintoriginal ↗
4 Feb 2018
Projection matrix for a 1-dimensional subspaceoriginal ↗
2 Feb 2018
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