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'Too many input arguments.' error (arima command)

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Seraphic 2021-2-26

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评论： Seraphic 2021-3-3

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Hi all,

I tried to generate MA(1) model without presample. I typed following command.

Mdl= arima('Constant',1.5,'MA',{0.1},'Variance',1.9)

In the command window, the error comes up:

Error using arima

Too many input arguments.

I just referred to this instruction(https://mathworks.com/help/econ/arima.html?searchHighlight=arima&s_tid=srchtitle#d122e112384) and I don't know where I got wrong. Please help me.

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Swetha Polemoni 2021-3-1

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https://ww2.mathworks.cn/matlabcentral/answers/756709-too-many-input-arguments-error-arima-command#answer_635844

Hi Seraphic,

Can you share the details of Matlab version you are using?

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Seraphic 2021-3-3

2020a. I updated it to 2020b and now it works.

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