The need for clear information for NSW Land Rights and Native Title Claims

A recent news report [1] highlighted the potential for conflict and administration work in NSW indigenous land areas.  The work required is to determine the extent of overlap between native title claims and historical dispossession in NSW indigenous land areas, the latter being a possible basis for compensation. The Land Rights regime created by the… Continue reading The need for clear information for NSW Land Rights and Native Title Claims

Indigenous vocabulary projects and information systems

An exciting information project has been created to digitally encode indigenous vocabularies derived from the records of Daisy Bates (from around the turn of the twentieth century).   A paper explaining how the information systems were set up has been written by Nick Thieberger (university of Melbourne) and Conal Tuoh (Queensland) (1).   I was interested… Continue reading Indigenous vocabulary projects and information systems

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Categorized as Design

R Studio and data import

In R, data importing can be done in several ways, including using the ‘readr’ function. R Studio provides an interface for these common functions.   You can import as text (readr). R Studio will then allow you to preview the data, and to skip rows that are unnecessary, in order to ensure that the data appears… Continue reading R Studio and data import

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Categorized as Computing

R extensions and the tidyverse

The basic features of R are incredibly useful for someone coming from a non-R background, but experienced R users have sought faster and more effective data manipulation and improved plotting abilities, as well as multimedia options. Hadley Wickham’s contribution to the R universe includes his ‘ tidyverse‘ concept, and the associated set of packages.  These… Continue reading R extensions and the tidyverse

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Categorized as Computing

R extensions and the data.table

One alternative to R’s native data frames is the data.table package first released to CRAN in 2006.  data table extends base R’s data.frame.  data.table was authored principally by Arun Srinivasan and Matt Dowle. One of the central features of the data.table was that it replaced the focus on data.frame rownames with the concept of a… Continue reading R extensions and the data.table

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Categorized as Computing

Prosecutor’s Fallacies and Relative Probabilities

In the United Kingdom some years ago a mother of two deceased children was convicted, in part, because evidence was given that the probability of her two children dying through natural means or cot death (her defence) was very low – as low as 1 in 73 million. The woman was Sally Clark, a solicitor… Continue reading Prosecutor’s Fallacies and Relative Probabilities

R extensions and interactivity

Yihui Xie is a creative software engineer who works at RStudio.  His R packages are innovative and useful. 1. shiny.  Shiny enables you to build interactive web applications straight from R. 2. knitR and animation. Yihui Xie created a literate programming package for R, called knitR.  knitR enables R code to be embedded in other… Continue reading R extensions and interactivity

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Categorized as Computing

R extensions: Grammar of Graphics, tidyverse and ggplot2

The Grammar of Graphics (the ‘gg’ in the ‘ggplot2’) Hadley Wickham is the author of several popular R packages and an employee of R Studio.  In developing his graphical plotting package for R, called ggplot2, he has applied many of the ideas in Leland Wilkinson’s influential Grammar of Graphics concept and book.  This 2010 article… Continue reading R extensions: Grammar of Graphics, tidyverse and ggplot2

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Categorized as Computing