The document discusses various machine learning concepts including artificial intelligence, machine learning, deep learning, neural networks, supervised vs unsupervised learning, naive Bayes classifier, genetic algorithms, and sentiment analysis. It provides examples and code snippets for implementing different machine learning algorithms. The overall agenda is to provide a basic introduction to machine learning topics and algorithms to help reduce intimidation around the field.
38. @joel__lord
#phptour
Genetic Algorithm in code
//Declare Consts
function randomInt(min, max) {…}
function random(min, max) {…}
function randomIndividual() {…}
function randomPopulation(size) {…}
function fitness(individual) {…}
function sortByFitness(population) {…}
function mutate(population) {…}
function reproduce(father, mother) {…}
function evolve(population) {…}
function findSolution() {
var population = randomPopulation(POP_SIZE);
var generation = 0;
while (fitness(population[0]) > CLOSE_ENOUGH) {
generation++;
population = evolve(population);
}
return {solution: population[0], generations: generation};
}
var sol = findSolution();