%% Nonmodifiable Properties
%% Specify the model

Mdl = regARIMA('ARLags',[1 4],'MALags',1)

%
%% Specify the model differently

Mdl = regARIMA(1,0,1);
Mdl.AR{4} = NaN

%
%% Change Distribution

Mdl = regARIMA('AR',0.5,'Distribution','t')

%
%% Specify the DoF

Distribution = struct('Name','t','DoF',10);
Mdl.Distribution = Distribution

% Copyright 2015 The MathWorks, Inc.