ferreiro

# MapReduce: gasto total realizado por las mujeres que han realizdo EXACTAMENTE
# 3 compras.
@get('/spending_female_3_orders_mr')
def spending_female_3_orders_mr():
	
	mapper = Code("""
			function countryMap() 
			{	
				if (this.gender == "Female") {

ferreiro

// Binomial coefficient
// Credits: github.com/jgferreiro

examples();

function examples() {
  var a, b; // numerator and denominator of our coeffiecient
  
  a = 2; b = 1;
  console.log('Binomial for a = ' + a + " and b = "+ b + ' is ' + binomialCoefficient(a, b));

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var k_total = 10; // number of times the event is repeated
var landa = 8;  // Promedian number of error expected in a given time (Landa symbol)
var exponential = 2.718281828;
var total = 0;
var numerator, denominator;

// Sumatorio de k terminos usando la formula de poisson

function poisson(k, landa) {

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var words = (function(){

	var sWords = document.body.innerText.toLowerCase().trim().replace(/[.,;?¿@]/g,' ').split(/[\s\/]+/g).sort();
	var iWordsCount = sWords.length; // count w/ duplicates

	// array of words to ignore
	var ignore = ['and','the','to','a','of','for','as','i','with','it','is','on','that','this','can','in','be','has','if',
	'de', 'del', 'y', 'en', 'que', 'para', 'tu', 'con', 'su', 'mas', 'o',
	'el','te', 'ti', 'un', 'lo', 'los', 'la', 'las', 'una', 'más', 'sus', 'este', 'desde', 'tras', 
	

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// Calculate the mean of a set.

var i;
var result = 0;
var data = [1,  2, 3, 4, 5, 6, 7, 8, 9]; // age.
var absFrec = [9, 8, 7, 6, 5, 4, 3, 2, 1]; // absolute frecuency.
var N = 0; // Total value of the set. 

for (i = 0; i < data.length; i++) {
	N += absFrec[i];