Articles by Peter Prevos

Cheesecake Diagrams: Pie Charts with a Different Flavour

August 4, 2020 | Peter Prevos

Part of my job at a regional water utility involves visualising operational data. We manage water and sewerage services for a large number of small and medium-sized towns in regional Victoria (Australia). Traditionally, performance reports consist of extensive tables filled with numbers with a line for each city. To make ...
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GEDCOM Reader for the R Language: Analysing Family History

July 20, 2019 | Peter Prevos

Understanding who you are is strongly related to understanding your family history. Discovering ancestors is now a popular hobby, as many archives are available on the internet. The GEDCOM format provides a standardised way to store information about ancestors. This article shows how to develop a GEDCOM reader using the ...
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GEDCOM Reader for the R Language: Analysing Family History

July 20, 2019 | Peter Prevos

Understanding who you are is strongly related to understanding your family history. Discovering ancestors is now a popular hobby, as many archives are available on the internet. The GEDCOM format provides a standardised way to store information about ancestors. This article shows how to develop a GEDCOM reader using the ...
[Read more...]

Digital Water Utility Competencies: R for Water Professionals

June 17, 2019 | Peter Prevos

The digital water utility is a fashionable catchphrase in the water industry. Managing reliable water services requires not only a sufficient volume of water but also significant amounts of data. Water professionals continuously measure the flow and quality of the water and how customers perceive their service. Water professionals analyse ...
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Analyse Site Structure networks with R and igraph

April 8, 2019 | Peter Prevos

One of the essential parts of Search Engine Optimisation (SEO) is a logical site structure. Site structure relates to how the pages of a website link to each other. A well-designed structure of internal links improves the user's experience. It also helps web crawlers to find their way through the ...
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Decode Lyrics in Pop Music with the Songsim algorithm

March 22, 2019 | Peter Prevos

Music is an inherently mathematical form of art. Ancient Greek mathematician Pythagoras was the first to describe the logic of the scales that form melody and harmony. Numbers can also represent the rhythm of the music. Even the lyrics have a mathematical structure. Poets structure syllables and repeat words to ...
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Factor Analysis in R: Measuring Consumer Involvement

January 18, 2019 | Peter Prevos

The first step for anyone who wants to promote or sell something is to understand the psychology of potential customers. Getting into the minds of consumers is often problematic because measuring psychological traits is a complex task. Consumer involvement is a measure of the attitude people have towards a product ...
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Discourse Network Analysis: Undertaking Literature Reviews in R

November 14, 2018 | Peter Prevos

Literature reviews are the cornerstone of science. Keeping abreast of developments within any given field of enquiry has become increasingly difficult given the enormous amounts of new research. Databases and search technology have made finding relevant literature easy but, keeping a coherent overview of the discourse within a field of ...
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Discourse Network Analysis: Undertaking Literature Reviews in R

November 14, 2018 | Peter Prevos

Literature reviews are the cornerstone of science. Keeping abreast of developments within any given field of enquiry has become increasingly difficult given the enormous amounts of new research. Databases and search technology have made finding relevant literature easy but, keeping a coherent overview of the discourse within a field of ...
[Read more...]
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