In this article we will discuss composing standard-evaluation interfaces (SE) and composing non-standard-evaluation interfaces (NSE) in R. In R the package tidyeval/rlang is a tool for building domain specific languages intended to allow easier composition of NSE interfaces. To use it you must know some of its structure and notation. Here are some details paraphrased … Continue reading Non-Standard Evaluation and Function Composition in R
I recently read an interesting thread on unexpected behavior in R when creating a list of functions in a loop or iteration. The issue is solved, but I am going to take the liberty to try and re-state and slow down the discussion of the problem (and fix) for clarity. The issue is: are references … Continue reading Iteration and closures in R
Decorators are considered one of the more advanced features of python and it will often be the last topic in a python class or introductory book. It will, unfortunately, also be one that trips up many beginning or even intermediate… Continue reading →
(Note: this post should probably be titled "Quantitative Methods of Curricula Planning" but I thought the current title would draw more interest–though they would both lose out to "These Weird Approaches To Lesson Planning Will Leave You Speechless") Suppose you… Continue reading →
Edwin Abbott's 1884 novella, Flatland, recounts the misadventures of a square that lives in a two-dimensional world called "Flatland". In this story, the square has a dream where he visits a one-dimensional world (Lineland) and unsuccessfully tries to educate the… Continue reading →
