11 questions linked to/from Seeking certain type of ARIMA explanation
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### Example of auto-regressive integrated moving average (ARIMA) model [duplicate]

I need simple example of ARIMA model, that performs forecasting on a small time series set e.g., (x1,y1), (x2,y2), (x3,y3), (x4,y4), (x5,y5), (x6,y6) I found many definitions from various places… but ...
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### When to log transform a time series before fitting an ARIMA model

I have previously used forecast pro to forecast univariate time series, but am switching my workflow over to R. The forecast package for R contains a lot of useful functions, but one thing it doesn't ...
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### Online material to learn time series analysis

My question is if there are any good online materials for learning this. Something that introduces things well, especially ARMA models and the related math. Edit: I'm looking for something of the ...
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### Advice on explaining heterogeneity / heteroscedasticty

I am looking for any help, advice or tips in how to explain heterogeneity / heteroscedasticity to biologists in my department. In particular I want to explain why its important to look for it and deal ...
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### Determine when time-series should be logged (or any other transformation) and applied automatically

Is there any way to test whether a series should be logged or transformed in another way? I have a code of which i use to run lots of different data through to forecast. Some of the data definitely ...
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### Walkthrough of building a time series model (on real examples)

I'm trying to find some real examples showing someone going through the full process of building a time series model (how they deal with trends and seasonalities, what features they picked, etc). Does ...
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### Need a clear and simple auto-regressive model example

This may be hard to find, but I'd like to read a well-explained auto-regressive model example that: uses minimal math extends the discussion beyond building a model into using that model to forecast ...
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### Example use of ARMA forecasting method

I have no experience in forecasting, so can anyone give me a step-by-step example or link to example-real values with ARMA forecasting method application?
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### Seasonal ARIMA model mathematical equation [duplicate]

I am trying to write a mathematical equation for a seasonal ARIMA model of ARIMA (0,0,1)(0,1,1) where the values are recorded quarterly. I have tried to follow other examples but i cant seem to get ...
I am using shampoo sales dataset which can be obtained from github. I fit the dataset using ARIMA$(5,1,0)$ and plot its residuals. The following are residual plots, acf and pacf. Question How to ...