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help with specifying ARIMA and SARIMA models

Hey freelancers,

I am working on a research article to forecast demand by using ARIMA and SARIMA models based on Box-Jenkins procedures (Attached).

NOTE: I need your help to understand the analysis not just doing it for me. Therefore I request the work to be done together on a shared screen.

Sor, I finished phase 2 (identification) and some parts of phase 2 (model estimation and diagnostic) which I need help for.

What I have done so far:-

- I transformed the time series to stabilize the variance.

- I differenced the time series to obtain stationarity.

These 2 steps resulted in 4 different transformed datasets.

- ACF and PACF were generated for the 4 data sets to determine AR and MA parameters.

- conducted AIC and BIC criteria to help in determining the lag for Unit root test.

What I need form the freelance for NEXT step:-

- choosing the tentative models based on unit root tests. BOTH ADF and KPSS. (+ the interpretations)

- Plotting ACF and PACF of residuals to check white noise. (+ the interpretations)

- portmanteau test of residual.

- Using the model to forecast.

Thank you,

Hasan

Skills: Statistical Modeling, Statistical Analysis, Econometrics

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About the Employer:
( 1 review ) Newark, United States

Project ID: #27825900

7 freelancers are bidding on average $14/hour for this job

(20 Reviews)
5.8
(60 Reviews)
5.6
schoudhary1553

Hi, Greetings! ✅checked your project details: specifying ARIMA and SARIMA models ✅Completed Time: In project deadline We have worked on 600 + Projects. I have 6 + years of the experience in same kind of projects More

$15 USD / hour
(17 Reviews)
5.5
tbrifki64

Hi there, I'd like to assist you to write a research report based on a research article to forecast demand by using ARIMA and SARIMA models based on Box-Jenkins procedures in R programming. I am fluent in English and I More

$15 USD / hour
(25 Reviews)
5.1
dbukstein

Hello. I'm Daniel, an economist with several years of experience in academic research and applied econometrics. I can definitely help you with your project. Please contact me so we can discuss the deadline and if you n More

$17 USD / hour
(1 Review)
3.9
Galata16

Hello Hasan As an engineer in statistics and applied economics as well as IT development technician. moreover, I am very proficient in the language of R and E-Views as well Python. I am capable and ready to perform thi More

$12 USD / hour
(12 Reviews)
3.8
rifdahjenita

Hello Sir.. I am a fresh graduated of Statistics from Universitas Gadjah Mada. I can help you with ARIMA and SARIMA. You can trust me, please contact me. Thank you

$8 USD / hour
(0 Reviews)
0.0