The Calculation

Home
Archive
About
Unmasking Trees for Tabular Data
When tabular imputation is the vibe, unmasking is low-key goated
 • 
Calvin McCarter

May 2024

April 2024

March 2024

Links on the earliness of the Great Divergence
In the popular mind, the Great Divergence (or European growth miracle) is associated with Gutenberg’s 1440 invention of the printing press, Columbus’s…
 • 
Calvin McCarter
"No babysitting": Stephen Boyd on the true benefit of convex optimization
In a recent episode of the excellent InControl podcast, Alberto Padoan asked Stephen Boyd about the value of convex optimization.
 • 
Calvin McCarter

December 2023

July 2023

Mapping between two Gaussians using optimal transport and the KL-divergence
Suppose you have two multivariate Gaussian distributions \( S\) and \(T\), parameterized as \( N(\mu_S, \Sigma_S)\) and \( N(\mu_T, \Sigma_T)\). How do…
 • 
Calvin McCarter
Computing the product of Gaussian distributions
Suppose you have \(K\) multivariate Gaussian distributions, each of dimensionality \(N\). It turns out that the product of these distributions, after…
 • 
Calvin McCarter
A visual exploration of the softmax function
The softmax function \(\sigma(\mathbf{z})\) maps vectors to the probability simplex, making it a useful and ubiquitous function in machine learning…
 • 
Calvin McCarter
Many imagine that the psychology of advertising is a modern discovery
What follows is an excerpt from Albert Jay Nock’s 1918 essay, Advertising and Liberal Literature. Nock describes how the London Mercury, founded in 1682…
 • 
Calvin McCarter

June 2023

© 2024 Calvin McCarter
Privacy ∙ Terms ∙ Collection notice
Start WritingGet the app
Substack is the home for great culture