Overload List
| # | Signature | Description |
|---|---|---|
| 1 | void LogNormalFit(TVec *X, double &mu, double &sigma); | Calculate parameters for log-normally distributed values. |
| 2 | void LogNormalFit(TVec *X, double &mu, double &sigma, DewArray<double> &PCIMu, DewArray<double> &PCISigma, double Alpha = 0.05); | Calculate parameters for log-normally distributed values. |
Overload 1: void LogNormalFit(TVec *X, double &mu, double &sigma);
Calculate parameters for log-normally distributed values.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | X | TVec * | |
| 2 | mu | double & | |
| 3 | sigma | double & |
Examples
#include "MtxExpr.h"
#include "Units.StatRandom.h"
#include "Units.Statistics.h"
using namespace Dew;
using namespace Dew::Math;
using namespace Dew::Stats;
using namespace Dew::Stats::Units::StatRandom;
using namespace Dew::Stats::Units::Statistics;
void Example()
{
Vector Data;
double mu, sigma;
DewArray<double> MuCI(2), SigmaCI(2);
Data.Size(100);
RandomLogNormal(3,0.2,Data);
LogNormalFit(Data,mu,sigma,MuCI,SigmaCI);
// mu approx 3.0
// sigma approx 0.2
}Declared in Dew::Stats::Units::Statistics · Dew.Stats/Units.Statistics.h · Cross-compiler
Overload 2: void LogNormalFit(TVec *X, double &mu, double &sigma, DewArray<double> &PCIMu, DewArray<double> &PCISigma, double Alpha = 0.05);
Calculate parameters for log-normally distributed values.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | X | TVec * | Stores data which is assumed to be log-normaly distributed. |
| 2 | mu | double & | Return log-normal distribution parameter estimator M u. |
| 3 | sigma | double & | Return log-normal distribution parameter estimator Sigma. |
| 4 | PCIMu | DewArray<double> & | Mu (1-Alpha)*100 percent confidence interval. |
| 5 | PCISigma | DewArray<double> & | Sigma (1-Alpha)*100 percent confidence interval. |
| 6 | Alpha = 0.05 | double | Confidence interval percentage. |
Examples
#include "MtxExpr.h"
#include "Units.StatRandom.h"
#include "Units.Statistics.h"
using namespace Dew;
using namespace Dew::Math;
using namespace Dew::Stats;
using namespace Dew::Stats::Units::StatRandom;
using namespace Dew::Stats::Units::Statistics;
void Example()
{
Vector Data(0);
Data.Size(100, false);
RandomLogNormal(3, 0.2, Data, -1);
double mu, sigma;
DewArray<double> MuCI(2);
DewArray<double> SigmaCI(2);
LogNormalFit(Data, mu, sigma, MuCI, SigmaCI, 0.05);
// mu approx 3.0
// sigma approx 0.2
}See Also: RandomLogNormal
Declared in Dew::Stats::Units::Statistics · Dew.Stats/Units.Statistics.h · Cross-compiler