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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef KMEANS_H
#define KMEANS_H
#include <atomic>
#include <vector>
#include <limits>
#include <mutex>
#include "SamplesBuffer.h"
#include "json/single_include/nlohmann/json.hpp"
class KMeans {
public:
KMeans(size_t NumClusters = 2) : NumClusters(NumClusters) {
MinDist = std::numeric_limits<CalculatedNumber>::max();
MaxDist = std::numeric_limits<CalculatedNumber>::min();
};
void train(const std::vector<DSample> &Samples, size_t MaxIterations);
CalculatedNumber anomalyScore(const DSample &Sample) const;
void toJson(nlohmann::json &J) const {
J = nlohmann::json{
{"CCs", ClusterCenters},
{"MinDist", MinDist},
{"MaxDist", MaxDist}
};
}
private:
size_t NumClusters;
std::vector<DSample> ClusterCenters;
CalculatedNumber MinDist;
CalculatedNumber MaxDist;
};
#endif /* KMEANS_H */
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