Stories by jmount

Conway’s Game of Life in R: Or on the Importance of Vectorizing Your R Code

Visually Designing Data Transforms

Quick Significance Calculations for A/B Tests

Timing Column Indexing in R

A history of macros in R

Timings of a Grouped Rank Filter Task

Announcing Practical Data Science with R, 2nd Edition

Vtreat: Big Data Scale Data Preparation from R

Codd's 12 rules

Rquery: piped SQL for R

Seven Puzzles You Think You Must Not Have Heard Correctly (2006) [pdf]

Fluid data reshaping with cdata

Plotting Deep Learning Model Performance Trajectories

Free video course on evaluating and planning A/B tests using R

#R: What is magrittr’s future in the tidyverse?

Automating data science steps: join dependency sorting

Fun puzzle: array indexing is associative

Vtreat: a set of procedures for preparing data

Iteration and closures (and lazyeval) in R

The Zero Bug

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