The Devil is in the Data

The Devil is in the Data is a blog about practical and fun data science in the R language by Dr Peter Prevos. This website goes beyond the hype, given that 99.9% of problems can be solved without machine learning. Good data science is:

  • Useful: Increases value.
  • Sound: Valid, reliable and reproducible.
  • Aesthetic: Easy to understand.

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This article describes how to build a GEDCOM reader for the R langugage. The resulting data frame can be analysed in many ways.
GEDCOM Reader for the R Language: Analysing Family History
This article describes how to build a GEDCOM reader for the R langugage. The resulting data frame can be analysed in many ways.
Data Science
RStats Digital Humanities
Solutions to Project Euler 144: This artcle provides a solution in the R language to investigate multiple reflections of a laser beam
Project Euler 144: Laser Beams and Elliptical Billiards
Solutions to Project Euler 144: This artcle provides a solution in the R language to investigate multiple reflections of a laser beam
Data Science
Project Euler RStats
Write your own text adventure in the R programming langauge. How could we use machine learning to write interactive fiction?
The Secret of Landusia: A Text Adventure in the R Language
Write your own text adventure in the R programming langauge. How could we use machine learning to write interactive fiction?
Data Science
RStats R Games
This article discusses how to analyse site structure and internal linking structure of a Wordpress website using the iGraph package in R.
Analyse Site Structure networks with R and igraph
This article discusses how to analyse site structure and internal linking structure of a Wordpress website using the iGraph package in R.
Data Science
RStats Digital Humanities
The lyrics of songs are more and more repetitive. Wihin this repetitiveness hides a summetrical beauty. The Songsim algorithm helps to decode lyrics.
Decode Lyrics in Pop Music with the Songsim algorithm
The lyrics of songs are more and more repetitive. Wihin this repetitiveness hides a summetrical beauty. The Songsim algorithm helps to decode lyrics.
Data Science
RStats Digital Humanities
This article looks behind the hype and presents a model for strategic data science. Summary of the book Principles of Strategic Data Science.
Strategic Data Science: Create Value from Data Big and Small
This article looks behind the hype and presents a model for strategic data science. Summary of the book Principles of Strategic Data Science.
Data Science
Consumer involvement measures how much customers care. This article explains measuring the Personal Involvement Inventory using factor analysis in R.
Factor Analysis in R: Measuring Consumer Involvement
Consumer involvement measures how much customers care. This article explains measuring the Personal Involvement Inventory using factor analysis in R.
Data Science Marketing
Hydroinformatics RStats Invisible Water Utility
Should you use spreadsheets for data science? This article argues that spreadsheets invite chaos. Writing code is poetry for data science.
5½ Reasons to Ditch Spreadsheets for Data Science
Should you use spreadsheets for data science? This article argues that spreadsheets invite chaos. Writing code is poetry for data science.
Data Science