Package net.simplace.sim.components.models.lintulfast

Class TrendAndTechnologyFunctions

java.lang.Object

net.simplace.sim.components.models.lintulfast.TrendAndTechnologyFunctions

public class TrendAndTechnologyFunctions
extends Object

Class that implements some methods from the LintulFAST C# version to calculate trend and technology effect on yield. They are used by the model LintulFast. WIKI_START Class should not be used in other modules than LintulFast. WIKI_END

Author:

Gunther Krauss

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	TrendAndTechnologyFunctions.LinearTrend
static final record	TrendAndTechnologyFunctions.RegressionCoefficients

Constructor Summary

Constructors

Constructor	Description
TrendAndTechnologyFunctions()

Method Summary

Modifier and Type	Method	Description
static double	AddLinearTrendIncrease(double a1, int Currentyear, int startYear)
static double	AddTechnology(double WSO, int ipd, double TechnologyYr_t0, double Technologyf_T_Pr, double Technologyf_T_Gr, double Technologyf_IntervallT_Gr, int Technology_Intervall)
static double	AddTrend(double WSO, int yr, double TrendCompensation_a1, double TrendCompensationStartYear)
static TrendAndTechnologyFunctions.RegressionCoefficients	calculateLinearRegression(int ind, double[] x, double[] y)
static TrendAndTechnologyFunctions.LinearTrend	CalculateLinearTrend(Integer[] years, Double[] yields, Boolean TrendCalculateStartYearMeansBased)
static double	CalculateYrt0(double a1, double a0, int Yrt0_RefernceYear, double LimitMin, double LimitMax)
static double[]	RemoveLinearTrendFromYieldArray(int[] Year, double[] yield_obs, double TrendCompensation_a1, double TrendCompensationStartYear)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TrendAndTechnologyFunctions

public TrendAndTechnologyFunctions()

Method Details

AddLinearTrendIncrease

public static double AddLinearTrendIncrease(double a1,
 int Currentyear,
 int startYear)

RemoveLinearTrendFromYieldArray

public static double[] RemoveLinearTrendFromYieldArray(int[] Year,
 double[] yield_obs,
 double TrendCompensation_a1,
 double TrendCompensationStartYear)

CalculateYrt0

public static double CalculateYrt0(double a1,
 double a0,
 int Yrt0_RefernceYear,
 double LimitMin,
 double LimitMax)

CalculateLinearTrend

public static TrendAndTechnologyFunctions.LinearTrend CalculateLinearTrend(Integer[] years,
 Double[] yields,
 Boolean TrendCalculateStartYearMeansBased)

calculateLinearRegression

public static TrendAndTechnologyFunctions.RegressionCoefficients calculateLinearRegression(int ind,
 double[] x,
 double[] y)

AddTrend

public static double AddTrend(double WSO,
 int yr,
 double TrendCompensation_a1,
 double TrendCompensationStartYear)

AddTechnology

public static double AddTechnology(double WSO,
 int ipd,
 double TechnologyYr_t0,
 double Technologyf_T_Pr,
 double Technologyf_T_Gr,
 double Technologyf_IntervallT_Gr,
 int Technology_Intervall)