Java Utililty Methods mean

double s = 0;
for (double n : nums) {
    s += n;
return s / nums.length;

return mean(samples, 0, samples.length);

double res = 0D;
int count = 0;
for (double tp : series) {
    if (Double.isNaN(tp) || Double.isInfinite(tp)) {
    } else {
        res += tp;
        count += 1;
if (count > 0) {
    return res / ((Integer) count).doubleValue();
return Double.NaN;

if (v.length == 0)
    throw new IllegalArgumentException("Nothing to compute! The array must have at least one element.");
return (mass(v) / (double) v.length);

return sum(values) / values.length;

return sum(vector) / vector.length;

int size = x.length;
double sum = 0d;
int n = 0;
for (int i = 0; i < size; i++) {
    if (used[i]) {
        sum += x[i];
        n++;
return sum / (double) n;

return 0;

return sum(input, column) / (double) input.length;

double m = 0;
for (int i = 0; i < matrix.length; i++) {
    for (int j = 0; j < matrix[0].length; j++) {
        m += matrix[i][j];
return m / (matrix.length * matrix[0].length);