I took logarithm and then first difference to stationarize the series?
regard to attached image of ACF and PACF, what ARIMA models can be applied for this series?
would you please offer all possible models?
I want to write article in a topic of positive role of politics in nursing, and I'm confused how can we add add questionnaire and what will be the questionnaires.
18 July 2024 10,021 3 View
To generate curve but a straight line generated on zero load.
09 July 2024 2,617 1 View
Greetings, esteemed academics, I would want to question about the process of extracting DNA from the thoracic region of honey bees using CTAB. I have conducted this experiment on multiple...
14 June 2024 5,568 2 View
what's different between soil nitrogen pool and soil phosphorus pool?
18 May 2024 5,677 2 View
who is more polar, choline chloride-malonic acid or choline dihydrogen citrate-malonic acid
08 May 2024 2,086 0 View
Hi I use patch clamp technique to do my PhD project. To prepare slides of brain samples, I treat them for one hour at 32 degrees Celsius in the cutting solution, and then I treat them for half an...
25 April 2024 3,801 3 View
Hi, I have run a HFSS simulation for six day and it is still running. I want to know the estimated time of completion of the simulation or is there any way to see the progress bar of the total...
16 April 2024 7,442 0 View
Dear experts, I am looking for some ways to speed up the formation of Sucrose in sugarcane by using specific nutrients (and their optimal levels) in fertilizer. More specifically, can we produce...
14 April 2024 9,037 6 View
I've seen published papers from my colleagues in Iran which were free of charge What should I do to get a full discount?
05 April 2024 1,566 1 View
Hi, I want to illustrate VSWR vs Frequently or harmonic response for leaky cable in HFSS. Thank you in advance. Best regards Ahmed Al Amin
04 April 2024 1,731 0 View
I have been running a MAGeCK test command on the terminal for a CRISPR screen to rank sgRNAs and genes based on the read count tables. However, I get only the plot of the top-ranked genes...
28 July 2024 9,811 1 View
Hi all, I am facing a challenge with transforming some variables for logarithmic analysis in my ARDL model. These variables contain negative values, which complicates standard logarithmic...
07 July 2024 8,741 13 View
I need advice and assistance in interpreting the outcome of the forecast, these are attached in the file
23 May 2024 9,787 0 View
My data are non stationary seasonal data. I need to know is there any forecasting models can handle non stationary data. and I also want to know STL( Seasonal Trend LOESS) and ETS can handle non...
13 May 2024 6,514 3 View
I have a 20-year historical data from 2004 through 2023 on an aspect of shipping. I want to model an Auto Regressive Integrated Moving Average (ARIMA) to make future forecast of the next 26 years...
05 May 2024 3,161 3 View
In some electrochemistry research papers, the result obtained from a differential pulse voltammetry (DPV) technique is presented in peak current vs. log(concentration) plot. in such cases, how to...
04 May 2024 9,605 2 View
Hi. Am interested to expand my knowledge and skills on using time series analysis for my work especially those that involves ARIMA. Anyone knows of a good tutorial or book that I can learn from...
27 February 2024 1,057 1 View
Please, I need books about Exponential and Logarithm of Linear Operators.
11 February 2024 7,540 0 View
I want to know the basic steps of how to check or transform data before undertaking a time series analysis. Is there something that you need to check or test before just picking a method I.e....
07 November 2023 774 1 View
I've read Box & Jenkins 5th edn, there is mention of ARCH and GARCH in the later chapters but they are mentioned in the model checking. Then in Hamilton, there is no mention at all. If I use an...
20 October 2023 7,434 6 View