sistrip::MeanAndStdDev Class Reference

#include <Utility.h>

Classes
class	Params

Public Member Functions
void	add (const float &value, const float &error)
void	fit (Params &fit_params)
	MeanAndStdDev ()
	~MeanAndStdDev ()

Private Attributes
float	s_
std::vector< float >	vec_
float	x_
float	xx_

Detailed Description

Definition at line 50 of file Utility.h.

Constructor & Destructor Documentation

MeanAndStdDev()

sistrip::MeanAndStdDev::MeanAndStdDev

(

)

Definition at line 66 of file Utility.cc.

: s_(0.), x_(0.), xx_(0.), vec_() { ; }

~MeanAndStdDev()

sistrip::MeanAndStdDev::~MeanAndStdDev ( )

inline

Definition at line 54 of file Utility.h.

{ ; }

Member Function Documentation

add()

void sistrip::MeanAndStdDev::add	(	const float &	value,
		const float &	error
	)

Definition at line 70 of file Utility.cc.

References MillePedeFileConverter_cfg::e, mathSSE::sqrt(), and x.

Referenced by counter.Counter::register(), SequenceTypes._TaskBase::remove(), and SequenceTypes._TaskBase::replace().

                                                             {
  if (e > 0.) {
    float wt = 1. / sqrt(e);
    s_ += wt;
    x_ += x * wt;
    xx_ += x * x * wt;
  } else {
    s_++;
    x_ += x;
    xx_ += x * x;
  }
  vec_.push_back(x);
}

fit()

void sistrip::MeanAndStdDev::fit

(

Params &

fit_params

)

Definition at line 86 of file Utility.cc.

References visualization-live-secondInstance_cfg::m, submitPVValidationJobs::params, jetUpdater_cfi::sort, mathSSE::sqrt(), and submitPVValidationJobs::t.

Referenced by trackingPlots.Iteration::modules().

                                             {
  if (s_ > 0.) {
    float m = x_ / s_;
    float t = xx_ / s_ - m * m;
    if (t > 0.) {
      t = sqrt(t);
    } else {
      t = 0.;
    }
    params.mean_ = m;
    params.rms_ = t;
  }
  if (!vec_.empty()) {
    sort(vec_.begin(), vec_.end());
    uint16_t index = vec_.size() % 2 ? vec_.size() / 2 : vec_.size() / 2 - 1;
    params.median_ = vec_[index];
  }
}

Member Data Documentation

s_

float sistrip::MeanAndStdDev::s_

private

Definition at line 70 of file Utility.h.

vec_

std::vector<float> sistrip::MeanAndStdDev::vec_

private

Definition at line 73 of file Utility.h.

x_

float sistrip::MeanAndStdDev::x_

private

Definition at line 71 of file Utility.h.

xx_

float sistrip::MeanAndStdDev::xx_

private

Definition at line 72 of file Utility.h.