Good Practices in R Programming Martin Mächler maechler@R-project.org The R Core Team maechler@stat.math.ethz.ch Seminar für Statistik ETH Zurich, Switzerland useR! – July 1, 2014 Outline Introduction Seven Guidelines for Good Practices in R Programming FAQ 7.31 — generalized: Loss of Accuracy Specific Hints — to give your friends Prehistoric – 10 years ago I May 2004: First UseR! conference in