Stories by jmount

R minitip: don’t use data.matrix when you mean model.matrix

R code style tip: prefer functions that return data frames

Fighting resource leaks in R glm()

Living in A Lognormal World

On the Design of Display Processors (1968) [pdf]

Two of my favorite sections from Augustus de Morgan "A Budget of Paradoxes"

One reason I dread Google doc shares

Dear Chip Bergh: consumers value being able to wash their jeans

Some more Manning technical book discounts

45% discount on Practical Data Science with R

The empty string is a not a valid map key in R

A clear picture of power and significance in A/B tests

A bit of the agenda of Practical Data Science with R

Bandit Formulations for A/B Tests: Some Intuition

What is meant by regression modeling?

Something silly: Star Wars 1977 as "It's a Good Life"

A short and brutish analysis of book sales

The C language is purely functional

Big data: are we making a big mistake?

Kepler's Planetary Bonanza [video]

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