2016-08 OpenAPI version 0.6
This report describes changes to the OpenAPI architecture in version 0.6. Module host elements were implemented in OpenAPI version 0.5; version 0.6 has extended module …
2016-07 OpenAPI version 0.5
The OpenAPI architecture is designed to help people connect with data. The architecture specifies an XML schema for wrapping pieces of data analysis code in …
2016-06 An OpenAPI Pipeline for NZ Crime Data
In March 2016, the NZ Herald ran a week-long series on NZ crime data, including an interactive map, which shows the total number of crimes …
2016-05 An Improved Pipeline for CPI Data
This report provides an update on a previous report, “An OpenAPI Pipeline for CPI Data”, which described the construction of an OpenAPI pipeline to produce …
2016-04 An OpenAPI Pipeline for CPI Data
This report documents the creation of an OpenAPI pipeline from information on a web page that explores CPI data. The purpose of creating this pipeline …
2016-03 Importing the New R Logo
The R project has a new logo (shown below). On his blog, Bob Rudis showed how to draw the new R logo as part of …
2016-02 Debugging Display List Internals
This report documents the process of debugging a problem with the recording and replaying of R plots from one R session to another. The purpose …
2016-01 OpenAPI version 0.3
The OpenAPI project aims to help people connect with data. OpenAPI is a software architecture for wrapping component pieces of data analysis – datasets, programming …
2015-07 Recording and Replaying the Graphics Engine Display List
In the development version of R (to be R 3.3.0), it is possible again to save the result of recordPlot() from one R session and …
2015-06 A ‘safemode’ Package for R
The ‘safemode’ package provides a safemode() function that creates a “safe mode” session in R. In “safe mode”, all symbols have an “age” (a last-modified …