StatTimeSerAnalysis.CheckARMACoeffs Method

Overload List

#SignatureDescription
1function CheckARMACoeffs(const Coeffs: TVec; const Causality: Boolean): Boolean;
2function CheckARMACoeffs(const Pars: TDoubleArray; const Causality: Boolean): Boolean;Check AR(MA) coeefficients.

Overload 1: function CheckARMACoeffs(const Coeffs: TVec; const Causality: Boolean): Boolean;

#NameTypeDescription
1CoeffsTVec
2CausalityBoolean

Returns: Boolean

Overload 2: function CheckARMACoeffs(const Pars: TDoubleArray; const Causality: Boolean): Boolean;

Check AR(MA) coeefficients.

#NameDescription
1ParsPhi (AR) or Theta (MA) coefficients.
2CausalityIf true, Params are checked for causality. If false, Params are checked for invertibility.

Returns: Boolean - true, if coefficients are causal/invertible.

Remarks:

Check if AR coefficients are causal or MA coefficients are invertible.