GARCHM_CALIBRATE - Optimal Values for Model's Parameters

Computes the maximum likelihood estimate (MLE) of the model's parameters.


GARCHM_CALIBRATE ([x], order, [model], [mask], method, maxiter)

Required. Is the univariate time series data (a one-dimensional array of cells (e.g., rows or columns)).
Optional. Is the time order in the data series (i.e., the first data point's corresponding date (earliest date = 1 (default), latest date = 0)).
Value Order
1 Ascending (the first data point corresponds to the earliest date) (default).
0 Descending (the first data point corresponds to the latest date).
Required. Is the GARCH-M model representation array (a one-dimensional array of cells (e.g., rows or columns)) (see GARCHM function).
Optional. Is an array of 0's and 1's to specify which parameters to calibrate for. If missing, all parameters are included in the calibration.
Optional. Is the calibration/fitting method (1 = MLE, 2 = Bayesian). If missing, a Maximum Likelihood Estimate (MLE) is assumed.
Value Method
1 Maximum Likelihood Estimate (MLE) (default).
0 Bayesian.
Optional. Is the maximum number of iterations used to calibrate the model. If missing, the default maximum of 100 is assumed.


  1. The underlying model is described here.
  2. The time series is homogeneous or equally spaced.
  3. The time series may include missing values (e.g., #N/A) at either end.
  4. The maximum likelihood estimation (MLE) is a statistical method for fitting a model to the data and provides estimates for the model's parameters.

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