IRIS Toolbox Reference Manual

## mean

Mean of VAR process

#### Syntax

    X = mean(V)

#### Input arguments

- `V` [ VAR ] - VAR object.

#### Output arguments

- `X` [ numeric ] - Asymptotic mean of the VAR variables.

#### Description

For plain VAR objects, the output argument `X` is a column vector where the k-th number is the asymptotic mean of the k-th variable, or `NaN` if the k-th variable is non-stationary (contains a unit root).

In panel VAR objects (with a total of Ng groups) and/or VAR objects with multiple alternative parameterisations (with a total of Na parameterisations), `X` is an Ny-by-Ng-by-Na matrix in which the column `X(:,g,a)` is the asyptotic mean of the VAR variables in the g-th group and the a-th parameterisation.

#### Example

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