February 2015

Should you teach Python or R for data science?

February 2, 2015 | 0 Comments

Last week, I published a post titled Lessons learned from teaching an 11-week data science course, detailing my experiences and recommendations from teaching General Assembly's 66-hour introductory data science course. In the comments, I received the ... [Read more...]

My "Top 5 R Functions"

February 2, 2015 | 0 Comments

In preparation for a R Workgroup meeting, I started thinking about what would be my "Top 5 R Functions". I ruled out the functions for basic mechanics - save, load, mean, etc. - they're obviously critical, but every programming language has them, so th... [Read more...]

R … three dots ellipsis

February 2, 2015 | 0 Comments

If you have used R before, then you surely have come across the three dots, e.g. [crayon-55343e020a0ff482644779/] In technical language, this is called an ellipsis. And it means that the function is designed to take any number of named or unnamed arguments. By the way, the ... [Read more...]

Embedding R-generated Interactive HTML pages in MS PowerPoint

February 2, 2015 | 0 Comments

By Richard Pugh – Commercial Director, UK.  Usually when I create slide decks these days I used markdown and slidy.  However, I recently was asked to present using an existing Revolution Microsoft PowerPoint template. Trouble is, I’ve been spoilt with … Continue reading → [Read more...]

RcppStreams 0.1.0

February 2, 2015 | 0 Comments

The new package RcppStreams arrived on CRAN on Saturday. RcppStreams brings the excellent Streamulus C++ template library for event stream processing to R. Streamulus, written by Irit Katriel, uses very clever template meta-programming (via Boost Fu... [Read more...]

New release (0.7) of metricsgraphics htmlwidget — grids & rollovers

February 1, 2015 | 0 Comments

I’ve updated my metricsgraphics package to version 0.7. The core MetricsGraphics JavaScript library has been updated to version 2.1.0 (from 1.1.0). Two blog-worthy features since releasing version 0.5 are mjs_grid (which is a grid.arrange-like equivalent for metricsgraphics plots and mjs_add_rollover which lets you add your own custom rollover text ... [Read more...]

Some 3D Graphics (rgl) for Classification with Splines and Logistic Regression (from The Elements of Statistical Learning)

February 1, 2015 | 0 Comments

This semester I'm teaching from Hastie, Tibshirani, and Friedman's book, The Elements of Statistical Learning, 2nd Edition. The authors provide a Mixture Simulation data set that has two continuous predictors and a binary outcome. This data is used to demonstrate classification procedures by plotting classification boundaries in the two predictors. ... [Read more...]

R package “fishdynr”

February 1, 2015 | 0 Comments

The fishdynr package allows for the construction of some basic population dynamics models commonly used in fisheries science. Included are models of a single cohort, cohortSim, and a more complex iterative model that incorporates a stock-recruitment re... [Read more...]

Unemployment

February 1, 2015 | 0 Comments

Beginning 2013 I made a post plotting unemployment in Europe. Last year I did the same. Now that the unemployment numbers of December are on Eurostat, I am making them again. The plots shown are unemployment and its first derivative, both smoothed.You ... [Read more...]
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