Blog Archives

Trumpworld Analysis : Ownership Relations in his Business Network

January 23, 2017
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Trumpworld Analysis : Ownership Relations in his Business Network

Analysis of the ownership relationships between organisations associated with Donald J. Trump. A social network analysis of Trumpland using the igraph package in R. Continue reading → The post Trumpworld Analysis : Ownership Relations in his Business Network appeared first on The Devil is in the Data.

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Finding antipodes using the globe and ggmap packages

January 20, 2017
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Finding antipodes using the globe and ggmap packages

The antipode of any place on Earth is the point on the Earth's surface that is diametrically opposite to it. How can you use ggmap to find antipodes? Continue reading → The post Finding antipodes using the globe and ggmap packages appeared first on Data Science with R.

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Euler Problem 8: Largest Product in a Series

January 18, 2017
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Euler Problem 8: Largest Product in a Series

Solution to Euler Problem 8 in the R Language for Statistical Computing. Find the thirteen adjacent digits in the 1,000-digit number that have the greatest product. What is the value of this product? Continue reading → The post Euler Problem 8: Largest Product in a Series appeared first on The Devil is in the Data.

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Euler Problem 7: 10,001st Prime

January 16, 2017
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Euler Problem 7: 10,001st Prime

A solution in the R language for statistical computing to find the solution the Euler Problem 7: Find the 10,001st prime number. Continue reading → The post Euler Problem 7: 10,001st Prime appeared first on Data Science with R.

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Euler Problem 6: Sum Square Difference

January 5, 2017
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Euler Problem 6: Sum Square Difference

Solution to Euler Problem 6: Sum Square Difference in the R language for statistical computing. Continue reading → The post Euler Problem 6: Sum Square Difference appeared first on The Devil is in the Data.

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Euler Problem 5: Smallest Multiple

December 29, 2016
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Solution to Euler Problem 5 in the R Language for Statistical Computing: What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20? Continue reading → The post Euler Problem 5: Smallest Multiple appeared first on The Devil is in the Data.

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Euler Problem 4: Largest Palindromic Product

December 22, 2016
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Euler Problem 4: Largest Palindromic Product

Solution to Euler Problem 4: Find the largest palindrome made from the product of two 3-digit numbers. Continue reading → The post Euler Problem 4: Largest Palindromic Product appeared first on The Devil is in the Data.

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Euler Problem 3: Largest Prime Factor

December 14, 2016
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Euler Problem 3: Largest Prime Factor

Solutions to Euler Problem 1 in the R language for statistical computing. This problem asks to find the largest prime factor of the number 600851475143. Continue reading → The post Euler Problem 3: Largest Prime Factor appeared first on The Devil is in the Data.

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Euler Problem 2: Even Fibonacci Numbers

December 7, 2016
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Euler Problem 2: Even Fibonacci Numbers

Solutions to Euler Problem 2 in the R language for statistical computing. This problem asks to sum even numbers in the Fibonacci sequence whose values do not exceed four million. Continue reading → The post Euler Problem 2: Even Fibonacci Numbers appeared first on The Devil is in the Data.

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Euler Problem 1: Multiples of 3 or 5

November 30, 2016
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Euler Problem 1: Multiples of 3 or 5

Solutions to Euler Problem 1 in the R language for statistical computing. This problem asks to find the sum of the multiples of 3 or 5 below 1000. Continue reading → The post Euler Problem 1: Multiples of 3 or 5 appeared first on The Devil is in the Data.

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