65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
#pragma once
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#ifndef clip_h
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#define clip_h
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#include "utils.h"
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#include <Eigen/Dense>
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class SigmaClip {
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private:
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int maxiters = 5;
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double sigma = 3, minValue = INF, maxValue = -INF;
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double (*cenF)(std::vector<Eigen::Vector2d> data) = nullptr;
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double (*stdF)(std::vector<Eigen::Vector2d> data) = nullptr;
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public:
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SigmaClip(double sigma = 3, int maxiters = 5,
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double (*cenF)(std::vector<Eigen::Vector2d> data) = nullptr,
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double (*stdF)(std::vector<Eigen::Vector2d> data) = nullptr);
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~SigmaClip();
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std::vector<Eigen::Vector2d> clip(std::vector<Eigen::Vector2d> data);
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private:
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void computeBound(std::vector<Eigen::Vector2d> data);
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};
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SigmaClip::SigmaClip(double sigma_, int maxiters_,
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double (*cenF_)(std::vector<Eigen::Vector2d> data),
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double (*stdF_)(std::vector<Eigen::Vector2d> data)) {
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sigma = sigma_;
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maxiters = maxiters_;
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cenF = cenF_ == nullptr ? dataAvg : cenF_;
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stdF = stdF_ == nullptr ? dataStd : stdF_;
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}
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SigmaClip::~SigmaClip() {}
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void SigmaClip::computeBound(std::vector<Eigen::Vector2d> data) {
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double std = (*stdF)(data);
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double mean = (*cenF)(data);
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minValue = mean - (std * sigma);
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maxValue = mean + (std * sigma);
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}
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std::vector<Eigen::Vector2d> SigmaClip::clip(std::vector<Eigen::Vector2d> data) {
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std::vector<Eigen::Vector2d>::iterator itor;
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minValue = INF, maxValue = -INF;
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for (int k = 1; k <= maxiters; k++) {
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computeBound(data);
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for (itor = data.begin(); itor != data.end();) {
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if ((*itor)(0) < minValue || (*itor)(0) > maxValue)
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data.erase(itor);
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else
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itor++;
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}
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}
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return data;
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}
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#endif
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