user
19 lines
612 B
C++
19 lines
612 B
C++
#include "dispersion.h"
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BEGIN_NAMESPACE(BusinessLogic)
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BEGIN_NAMESPACE(Statistics)
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long double Dispersion::operator()(const container_type &container, size_t size) const {
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long double average = 0;
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long double averageOfSquares = 0;
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for(size_t i = 0; i < size; ++i) {
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average += ( container[i] ) / static_cast<long double>(size);
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averageOfSquares += ( container[i] ) * ( container[i] ) / static_cast<long double>(size);
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}
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return averageOfSquares - average * average;
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}
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END_NAMESPACE // Statistics
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END_NAMESPACE // BusinessLogic
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