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 tap water sentiment analysis looks at a corpus of tweets about tap water to better understand people's attitudes to tap water.
Tap Water Sentiment Analysis using Twitter and Tidytext
This tap water sentiment analysis looks at a corpus of tweets about tap water to better understand people's attitudes to tap water.
Data Science
Hydroinformatics RStats Invisible Water Utility
This article presents a series of functions, such as a diurnal curve, to analyse digital water meter data using the tidyverse libraries.
Analyse Digital Water Meter Data using the Tidyverse
This article presents a series of functions, such as a diurnal curve, to analyse digital water meter data using the tidyverse libraries.
Data Science
Hydroinformatics RStats
This article simulates water consumption to assist with developing leak detection algorithms. Simulating water consumption helps to develop business tools.
Simulating Water Consumption to Develop Analysis Tools
This article simulates water consumption to assist with developing leak detection algorithms. Simulating water consumption helps to develop business tools.
Data Science
Hydroinformatics RStats
Solutions to Project Euler 32: Products whose multiplicand/multiplier/product identity is one through nine pandigital
Project Euler 32: Pandigital Products
Solutions to Project Euler 32: Products whose multiplicand/multiplier/product identity is one through nine pandigital
Data Science
Project Euler RStats
netCFD is a popular data format using geospatial time series in any science. The ncdf4 library provides functionality to use the netCDF format in R.
Analysing soil moisture data with the ncdf4 library
netCFD is a popular data format using geospatial time series in any science. The ncdf4 library provides functionality to use the netCDF format in R.
Data Science
RStats Hydroinformatics Map Porn
Go on a virtual holiday to the tropical islands of the pacific. Go Pacific island hopping and create your perfect trip.
Pacific Island Hopping using R and the iGraph package
Go on a virtual holiday to the tropical islands of the pacific. Go Pacific island hopping and create your perfect trip.
Data Science
RStats Map Porn
Solutions to Project Euler 30 in R: All numbers that can be written as the sum of the fifth powers of their digits.
Project Euler 30: Digit Fifth Powers
Solutions to Project Euler 30 in R: All numbers that can be written as the sum of the fifth powers of their digits.
Data Science
Project Euler RStats
This article shows how to plot a geographic bubble chart to visualise water consumption. The data was obtained from Phú Thọ Water in Vietnam.
Visualise Water Consumption with a Geographic Bubble Chart
This article shows how to plot a geographic bubble chart to visualise water consumption. The data was obtained from Phú Thọ Water in Vietnam.
Data Science
Hydroinformatics RStats Map Porn