public static double Calculate(IEnumerable <double> originalValues, IEnumerable <double> estimatedValues, double lowerBound, double upperBound, out OnlineCalculatorError errorState)
{
IEnumerator <double> originalEnumerator = originalValues.GetEnumerator();
IEnumerator <double> estimatedEnumerator = estimatedValues.GetEnumerator();
OnlineBoundedMeanSquaredErrorCalculator boundedMseCalculator = new OnlineBoundedMeanSquaredErrorCalculator(lowerBound, upperBound);
// always move forward both enumerators (do not use short-circuit evaluation!)
while (originalEnumerator.MoveNext() & estimatedEnumerator.MoveNext())
{
double original = originalEnumerator.Current;
double estimated = estimatedEnumerator.Current;
boundedMseCalculator.Add(original, estimated);
if (boundedMseCalculator.ErrorState != OnlineCalculatorError.None)
{
break;
}
}
// check if both enumerators are at the end to make sure both enumerations have the same length
if (boundedMseCalculator.ErrorState == OnlineCalculatorError.None &&
(estimatedEnumerator.MoveNext() || originalEnumerator.MoveNext()))
{
throw new ArgumentException("Number of elements in originalValues and estimatedValues enumerations doesn't match.");
}
else
{
errorState = boundedMseCalculator.ErrorState;
return(boundedMseCalculator.BoundedMeanSquaredError);
}
}
protected OnlineBoundedMeanSquaredErrorCalculator(OnlineBoundedMeanSquaredErrorCalculator original, Cloner cloner)
: base(original, cloner)
{
LowerBound = original.LowerBound;
UpperBound = original.UpperBound;
n = original.n;
errorSum = original.errorSum;
errorState = original.ErrorState;
}
public static double Calculate(IEnumerable<double> originalValues, IEnumerable<double> estimatedValues, double lowerBound, double upperBound, out OnlineCalculatorError errorState) {
IEnumerator<double> originalEnumerator = originalValues.GetEnumerator();
IEnumerator<double> estimatedEnumerator = estimatedValues.GetEnumerator();
OnlineBoundedMeanSquaredErrorCalculator boundedMseCalculator = new OnlineBoundedMeanSquaredErrorCalculator(lowerBound, upperBound);
// always move forward both enumerators (do not use short-circuit evaluation!)
while (originalEnumerator.MoveNext() & estimatedEnumerator.MoveNext()) {
double original = originalEnumerator.Current;
double estimated = estimatedEnumerator.Current;
boundedMseCalculator.Add(original, estimated);
if (boundedMseCalculator.ErrorState != OnlineCalculatorError.None) break;
}
// check if both enumerators are at the end to make sure both enumerations have the same length
if (boundedMseCalculator.ErrorState == OnlineCalculatorError.None &&
(estimatedEnumerator.MoveNext() || originalEnumerator.MoveNext())) {
throw new ArgumentException("Number of elements in originalValues and estimatedValues enumerations doesn't match.");
} else {
errorState = boundedMseCalculator.ErrorState;
return boundedMseCalculator.BoundedMeanSquaredError;
}
}
