Seraphic

Last seen: oltre 2 anni fa | Attivo dal 2021

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Statistica

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Domanda

differences between arima and fitlm functions when estimating AR(1) process
Hi all, I am a little confused. I have a data x, and ran following regressions to get AR(1) coefficient. 1) mdl1= estimate(ari...

oltre 2 anni fa | 1 risposta | 0

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Domanda

arima function returns conditional variance or unconditional variance?
Hi all, I have a quick question. I am fitting data to AR(1) process using esitmate and arima functions. By the way, variance r...

oltre 2 anni fa | 1 risposta | 0

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Domanda

Why does str2double command return NaN? What type of array should I convert into for running fitlm command??
Hi all, This issue is holding me over two hours so I want to ask how to fix it. My dataset is a 48X1 cell array, and want to r...

oltre 2 anni fa | 1 risposta | 0

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Domanda

unexpected parameter z3 when using solve command
Hi, I am new to matlab and want to solve an eqution. syms x eqn = x-((1-1/0.9925)*0.65-0.003)*x^((1/0.66)/(1/0.97))== 20+((1...

quasi 3 anni fa | 0 risposte | 0

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Domanda

'Too many input arguments.' error (arima command)
Hi all, I tried to generate MA(1) model without presample. I typed following command. Mdl= arima('Constant',1.5,'MA',{0.1},'V...

quasi 5 anni fa | 1 risposta | 0

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