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2016 Update

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This commit is contained in:
Tina Müller 2016-12-05 22:15:40 +01:00
parent 948b86eafa
commit dcf5d15da3
7965 changed files with 139854 additions and 31002 deletions
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23
Task/Averages-Simple-moving-average/JavaScript/averages-simple-moving-average-2.js
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@ -1,10 +1,19 @@
// single-sided
Array.prototype.simpleSMA=function(N) {
return this.map(function(x,i,v) {
if(i<N-1) return NaN;
return v.filter(function(x2,i2) { return i2<=i && i2>i-N; }).reduce(function(a,b){ return a+b; })/N;
}); };
return this.map(
function(el,index, _arr) {
return _arr.filter(
function(x2,i2) {
return i2 <= index && i2 > index - N;
})
.reduce(
function(current, last, index, arr){
return (current + last);
})/index || 1;
});
};
g=[1,2,3,4,5,8,5,4];
console.log(g.simpleSMA(3))
console.log(g.simpleSMA(5))
g=[0,1,2,3,4,5,6,7,8,9,10];
console.log(g.simpleSMA(3));
console.log(g.simpleSMA(5));
console.log(g.simpleSMA(g.length));