InterfaceUnit - Covariance

Name

Purpose

Arguments

Return value

Example

covarianceAdd

adds a new covariance entry (consisting of two measurement points and the correlation coefficient between them) to the list of covariance entries.

1: CovarianceValue

CovarianceErrorEnum:

uses @Covariance;

var

    n:integer;

    c:CovarianceValue;

    cerr:CovarianceErrorEnum;

begin

    covarianceRemoveAll;

    n:=covarianceGetCount;

    println (n, " covariances");

    c.comp1:=Measuring_point;

    c.comp2:=Measuring_point_1;

    c.rvalue:=0.9;

    c.correlationType:=

            CorrelationTypeExplicit;

    cerr:=covarianceAdd(c);

    if (cerr =

      CovarianceErrorDuplicateCovalue)
      then

        println ("pair already existing");

    n:=covarianceGetCount;

    println (n, " covariances");

    c.comp2:=Measuring_point_2;

    c.rvalue:=0.8;

    cerr:=covarianceAdd(c);

    c.comp2:=Measuring_point_3;

    c.rvalue:=0.7;

    cerr:=covarianceAdd(c);

    c.comp2:=Measuring_point_1;

    c.rvalue:=0.9;

    cerr:=covarianceSetAt(1, c);

    n:=covarianceGetCount;

    println (n, " covariances");

    cerr:=covarianceRemoveAt(2);

    n:=covarianceGetCount;

    println (n, " covariances");

    covarianceGetAt(1, c);

    println ("Covariance 1: ",c.comp1,
        " ",c.comp2," ",c.rValue);

    covarianceGetAt(2, c);

    println ("Covariance 2: ",c.comp1,

        " ",c.comp2," ",c.rValue);

end.

covarianceGetAt

retrieves the covariance entry at a specific position of the list of covariance entries.

1: INTEGER:

2: CovarianceValue

CovarianceErrorEnum:

covarianceGetCount

retrieves the length of the list of covariance entries.

-

INTEGER:

covarianceRemoveAll

removes all entries in the list of covariance entries.

-

-

covarianceRemoveAt

removes the covariance entry at a specific position of the list of covariance entries.

1: INTEGER:

CovarianceErrorEnum:

covarianceSetAt

sets the covariance entry at a specific position of the list of covariance entries. This function can be used only to modify existing entries. To create new entries, use "covarianceAdd".

1: INTEGER:

2: CovarianceValue

CovarianceErrorEnum: