Chellai Fatih

20 Questions 97 Answers 0 Followers

Questions related from Chellai Fatih

Before applying the Augmented Dickey-Fuller (ADF) test, Should we remove the trend and seasonality components?

Hello, Is this true in all cases: "Before applying the Augmented Dickey-Fuller (ADF) test, it is generally recommended to remove or account for the trend and seasonality components of the time...

23 May 2023 8,840 7 View

If your data is not time series data, then stationarity is not a relevant concern for fitting a multiple linear regression model ?

Salam, I'm asking If my data is not time series data, then the stationarity is (or is not )a relevant concern for fitting a multiple linear regression model? and if so, what makes differences with...

25 April 2023 5,224 5 View

Where can I download for free CANOCO software ?

Dear Professors, I am interested in using CANOCO software for my research but have difficulty accessing it. I would appreciate any advice on where I can download (for free) a copy of the...

03 April 2023 7,813 4 View

In Panel Data Analysis, the tests for Poolability are Based on Stationary Time Series ?

Hello, Should the time series be stationary when running tests for poolability in panel data? Or can we run those tests before checking the unit root tests? Regards,

30 September 2022 7,698 0 View

How to Perform a Cointegrated SVAR Model?

Hello all, There is some confusion regarding the steps to be followed to fit a cointegrated SVAR model? Mainly, when we fit a VAR model and find a significant cointegration among variables, a...

19 December 2021 7,605 5 View

Do the normality test should be applied on stationary (and non-seasonal) time series ?

Hi all, In time series analysis, when we check the normality assumption, did we should make stationary the time series or not? and if was not necessary, such a thing can violate the iid assumption...

02 December 2021 4,529 5 View

Is it necessary to study stationary analysis (Unit root tests) for a very short time series?

Hello all, I have a dataset of time series over 10 years (2010-2019; yearly data) and this for several variables; when I applied unit root tests on the level and on first difference, huge...

29 April 2021 5,295 4 View

Is the logarithmic transformation a necessary step in time series analysis ?

Hello, I'm checking if the log-tranformation of time series data is a necessary step; We all know the aim of such transformation, but in every study (in time series analysis) we found the authors...

16 February 2021 5,863 14 View

Logistic regression, Linear Regression and Survival models are they complementary methods ?

Hello dear professors and colleagues, I have a data set where I want to applied three methods: Logistic regression , linear regression and survival models, of couse each method focalise on an...

10 May 2020 3,871 7 View

What would be the effects of coronavirus on publication process and times reviewing of articles?

Hello dear Reserachers, Professors, I'm asking myself and you, for the effects of Covid-19 on publication, reviewing process, and reclassification of priorioties on certain topics; e.g: and with...

16 March 2020 8,704 5 View

What are the main problems caused by dichotomization in Regression models?

Hello dears, In regression modelling process, somtimes we deal to make a categorization of a continuos variable ( DVs or IDVs), What are really the potential problems inherent of such...

10 September 2019 7,751 4 View

The 2020 WORLD CONGRESS OF PROBABILITY AND STATISTICS ( Virtual Meeting and Free participation)

Hello dear, A great opportunity for statisticians and mathematicians around the World, https://www.worldsymposium2020.org/home Join the Bernoulli Society and IMS for the first-ever...

01 January 1970 8,953 1 View

Are scientific publications overtaking practical solutions?

Salam & Hello Has scientific publication become the ultimate goal, overshadowing the true purpose of research, which is to propose solutions and alternatives to real-world problems? Regards,

01 January 1970 4,605 2 View

Accuracy of macroeconomic data provided by institutions like the World Bank and IMF?

Hello, What are the potential consequences and challenges that arise if the macroeconomic data provided by institutions like the World Bank and IMF is found to be inaccurate or unreliable, and how...

01 January 1970 8,203 5 View

How can statistic, which deals with likelihood and uncertainty, be reliably used to validate knowledge in the physical and social sciences?

Hello, We need some debate about the role of statistics in scientific confirmation. Thanks Dr. F CHELLAI

01 January 1970 9,215 6 View

Can economic and social phenomena withstand the immense complexity of advanced statistical and mathematical models?

Hello, In the realm of economic and social analysis, one question looms large: Can the intricate intricacies of advanced statistical and mathematical models effectively capture and withstand the...

01 January 1970 194 2 View

How could AI change the traditional peer review process for scientific papers? What are the potential benefits and pitfalls

Salam, As we look to the future of scientific research and communication, it's clear that advances in AI will have a major impact. AI-powered tools are already augmenting many aspects of the...

01 January 1970 184 3 View

Is the World prepared to face another pandemic like COVID-19?

In light of the ongoing challenges posed by COVID-19, it is imperative to contemplate the world's readiness to address potential future pandemics. This discussion delves into the global...

01 January 1970 1,410 2 View

Examining Discrepancies in Under-5 Child Mortality Rates: A Comparative Analysis of MICS 4 and MICS 6 Surveys in Algeria

Salam Allykom, How do differences in survey methodologies, data collection techniques, and socio-political contexts between the MICS 4 (2012/2013) and MICS 6 (2018/2019) surveys contribute to...

01 January 1970 5,068 0 View

Should We Create "FellowshipGate" for Fellowship Opportunities?

As researchers, we know the importance of fellowships in advancing our careers and supporting our research endeavors. While ResearchGate has been invaluable for sharing our research and connecting...

01 January 1970 7,338 0 View