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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Using the R language to build a Tic Tac Toe simulation and teach your computer to play a perfect game of Noughts and Crosses.
Tic Tac Toe Simulation: The Intelligent Minimax Algorithm
Using the R language to build a Tic Tac Toe simulation and teach your computer to play a perfect game of Noughts and Crosses.
Data Science
RStats R Games
Solutions to Project Euler 23: Find the sum of all the positive integers which cannot be written as the sum of two abundant numbers.
Project Euler 23: Non-Abundant Sums
Solutions to Project Euler 23: Find the sum of all the positive integers which cannot be written as the sum of two abundant numbers.
Data Science
Project Euler RStats
Solutions to Project Euler 22 in the R language: Sum of the total letter score of a data set of five-thousand first names
Project Euler 22: Names Scores
Solutions to Project Euler 22 in the R language: Sum of the total letter score of a data set of five-thousand first names
Data Science
Project Euler RStats
Solutions to Project Euler 21: Evaluate the sum of all the amicable numbers (the sum of the proper divisors of each is equal to the other number)
Project Euler 21: Amicable Numbers
Solutions to Project Euler 21: Evaluate the sum of all the amicable numbers (the sum of the proper divisors of each is equal to the other number)
Data Science
Project Euler RStats
Solutions to Project Euler 20 in the R language: Determine the sum of the digits in the number factorial 100 in base R and the GMP library
Project Euler 20: Factorial Digit Sum
Solutions to Project Euler 20 in the R language: Determine the sum of the digits in the number factorial 100 in base R and the GMP library
Data Science
Project Euler RStats
Solutions to Project Euler 19: How many Sundays fell on the first of the month during the twentieth century (1 Jan 1901 to 31 Dec 2000)?
Project Euler 19: Counting Sundays
Solutions to Project Euler 19: How many Sundays fell on the first of the month during the twentieth century (1 Jan 1901 to 31 Dec 2000)?
Data Science
Project Euler RStats
Playing arcade games in R? Introducing pong, the first R-cade game. This code simulates the legendary game of pong in your favourite data science language.
R-Cade Games: Simulating the Legendary Pong Game in R
Playing arcade games in R? Introducing pong, the first R-cade game. This code simulates the legendary game of pong in your favourite data science language.
Data Science
RStats R Games
Solutions to project Euler 18 and 67 in the R Language. Finding the maximum total path in a triangular matrix.
Project Euler 18: Maximum Path Sum
Solutions to project Euler 18 and 67 in the R Language. Finding the maximum total path in a triangular matrix.
Data Science
Project Euler RStats