Java Utililty Methods mean

List of utility methods to do mean

Description

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

Method

voidadjustVariance(double[] x, double newVariance, double currentMean)
adjust Variance
adjustStandardDeviation(x, Math.sqrt(newVariance), currentMean);
doublecalculateMeanOfArrayListDouble(List dList)
calculate Mean Of Array List Double
double sum = 0;
for (double x : dList) {
    sum += x;
return sum / dList.size();
double[]getMean(ArrayList> lists)
get Mean
int numAtts = lists.size();
assert (numAtts > 0);
int numInsts = lists.get(0).size();
assert (numInsts > 0);
double[] Means = new double[numAtts]; 
for (int i = 0; i < numAtts; i++) {
    double att1 = 0;
    for (int j = 0; j < numInsts; j++) {
...
doublegetMean(ArrayList beats)
get Mean
double acum = 0;
for (Double d : beats)
    acum += d;
double mean = acum / beats.size();
return mean;
doublegetMean(final Integer[] values)
get Mean
return getMean(Arrays.asList(values));
doublegetMeanValue(ArrayList values)
get Mean Value
if (values.isEmpty()) {
    return -1.0;
double sum = 0.0;
for (Double value : values) {
    sum += value;
return sum / values.size();
...
doubleMean(ArrayList values)
Calculates the mean (average) value from a list of numeric values.
if (values.size() == 0)
    throw new Exception("Cannot determine mean on an empty list.");
return Sum(values) / (double) values.size();
floatmean(Collection terms)
mean
if (terms.isEmpty()) {
    return 0;
float total = 0;
for (Number term : terms) {
    total += term.doubleValue();
return ((float) total) / terms.size();
...
doublemean(double a, double b)
Returns the mean of a double value.
return (a + b) / 2;
doublemean(double ask, double bid)
mean
return Math.abs((ask + bid) / 2);