Java Utililty Methods List Mean

List of utility methods to do List Mean

Description

The list of methods to do List Mean are organized into topic(s).

Method

doublemean(List numbers)
Returns the mean number in the numbers list.
double sum = sum(numbers);
return sum / numbers.size();
floatmeanAbsolute(List vector)
Arithmetic Mean of absolute values of Vector Elements, e.g.
Float sum = (float) 0;
for (Float element : vector) {
    sum += Math.abs(element);
return sum / vector.size();
doublemeanDouble(List list)
Mean double.
return sumDouble(list) / list.size();
doublemeanDoubleList(List list)
mean Double List
if (list.isEmpty()) {
    return 0.0;
double total = 0.0;
for (Double item : list) {
    total += item;
return total / ((double) list.size());
...
ListnormalizeFromMeanAndStdev(List values, double mean, double stdev)
normalize From Mean And Stdev
List<Double> normalized = new ArrayList<Double>();
for (Double d : values) {
    normalized.add((d - mean) / stdev);
return normalized;
DoublestandardDeviation(List values, Double mean)
Calculates the standard deviation.
Double totalSquaredDeviations = 0.0;
for (Double value : values) {
    totalSquaredDeviations += Math.pow(value - mean, 2);
return Math.sqrt(mean(totalSquaredDeviations, values.size()));