28 lines
553 B
C
28 lines
553 B
C
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#pragma once
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#include <vector>
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class Testutil
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{
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public:
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template <typename T>
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static double Stddev(const std::vector<T>& distribution)
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{
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// Calculate mean
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double sum = 0;
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for (const T& i : distribution)
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sum += i;
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const double mean = sum / distribution.size();
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// Calculate variance
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sum = 0;
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for (const T& i : distribution)
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sum += (i - mean) * (i - mean);
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const double variance = sum / (distribution.size() - 1);
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// Calcuate stddev
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const double stddev = sqrt(variance);
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return stddev;
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}
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};
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