February 2015

22

Feb

Optimizing a multivariable function parameters using a random method, Genetic Algorithm and Simulated Annealing in R

 
Optimizing a multivariable function parameters using a random method, Genetic Algorithm and Simulated Annealing in R Introduction Say that you are implementing a non-linear regression analysis, which is shortly described by wikipedia as: "In statistics, nonlinear regression is a form of...
22

Feb

Brownian motion simulation in R

 
Brownian motion simulation in R Introduction I have based this post on a very useful piece of code which basically is the core of my own implementation of a Brownian Motion simulation in R. The original reference code Methods According to Wikipedia the mathematical model for Brownian...
22

Feb

To cooperate of defect (besides of coding): Prisoners dilemma, a game theory example in R

 
To cooperate of defect (besides of coding): Prisoners dilemma, a game theory example in R Introduction Hello Computer Science and/or R enthusiasts. This week I had the opportunity to try something that was in my To-Do list a while ago. The idea came almost instantly after reading Dr....
22

Feb

What are the names of the school principals in Mexico?, If your name is Maria, probably this post will interest you. Trends and cool plots from the national education census of Mexico in 2013

 
What are the names of the school principals in Mexico?, If your name is Maria, probably this post will interest you. Trends and cool plots from the national education census of Mexico in 2013 Introduction I will start this post with a disclaimer: The main intention of the post is to show...
21

Feb

100 Prisoners problem, 100 lines of code, a game theory example in R

 
100 Prisoners problem, 100 lines of code, a game theory example in R Introduction was looking for some Game-Theory post in R-bloggers and found this very cool post, obviously I decided to read the post, to look at the code and implement a version of it. As Matt Asher describes in his...
21

Feb

If the typing monkeys have met Mr Markov: probabilities of spelling “omglolbbq” after the digital monkeys have read Dracula

 
If the typing monkeys have met Mr Markov: probabilities of spelling "omglolbbq" after the digital monkeys have read Dracula Introduction The infinite monkey theorem states that a monkey hitting keys at random on a typewriter keyboard for an infinite amount of time will almost surely type a...