TA貢獻(xiàn)1851條經(jīng)驗(yàn) 獲得超4個(gè)贊
var variance = function(numbers) {
var mean = 0;
var sum = 0;
for(var i=0;i<numbers.length;i++){
sum += numbers[i];
}
mean = sum / numbers.length;
sum = 0;
for(var i=0;i<numbers.length;i++){
sum += Math.pow(numbers[i] - mean , 2);
}
return sum / numbers.length;
};
TA貢獻(xiàn)1943條經(jīng)驗(yàn) 獲得超7個(gè)贊
var sum=0
arr.foreach((value,index)=>{sum+=arr[index]})
var mean=sum/arr.length()
TA貢獻(xiàn)1801條經(jīng)驗(yàn) 獲得超16個(gè)贊
var mean = 0;
var sum = 0;
for(var i=0;i<numbers.length;i++){
sum += numbers[i];
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