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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Solutions to Project Euler 6: Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.
Project Euler 6: Sum Square Difference
Solutions to Project Euler 6: Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.
Data Science
Project Euler RStats
Solution to Project Euler 5 in the R language: Smallest positive number that is evenly divisible by all of the numbers from 1 to 20.
Project Euler 5: Smallest Multiple
Solution to Project Euler 5 in the R language: Smallest positive number that is evenly divisible by all of the numbers from 1 to 20.
Data Science
Project Euler RStats
Solutions to Project Euler 4 in the R language. Determine the largest Palindromic product of two three-digit numbers and the Lychrel process.
Project Euler 4: Largest Palindromic Product
Solutions to Project Euler 4 in the R language. Determine the largest Palindromic product of two three-digit numbers and the Lychrel process.
Data Science
Project Euler RStats
Solution to Project Euler 3 in the R language: Largest Prime Factor - What is the largest prime factor of the number 600851475143?
Project Euler 3: Largest Prime Factor
Solution to Project Euler 3 in the R language: Largest Prime Factor - What is the largest prime factor of the number 600851475143?
Data Science
Project Euler RStats
Solutions to Project Euler 2 in the R language for statistical computing. This problem asks to find the sum of all even Fibonacci numbers below four million
Project Euler 2: Sum of Even Fibonacci Numbers
Solutions to Project Euler 2 in the R language for statistical computing. This problem asks to find the sum of all even Fibonacci numbers below four million
Data Science
Project Euler RStats
Solutions to Project Euler 1 in the R language for statistical computing. This problem asks to find the sum of the multiples of 3 or 5 below 1000.
Project Euler 1: Multiples of 3 and 5
Solutions to Project Euler 1 in the R language for statistical computing. This problem asks to find the sum of the multiples of 3 or 5 below 1000.
Data Science
Project Euler RStats