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Questions related from Chellai Fatih
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 8,910 7 View
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 5,310 5 View
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 7,905 4 View
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 7,791 0 View
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 7,685 5 View
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 4,596 5 View
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 5,371 4 View
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 6,002 14 View
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 3,954 7 View
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 8,786 5 View
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 7,817 4 View
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 9,005 1 View
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 4,662 2 View
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 8,255 5 View
Hello, We need some debate about the role of statistics in scientific confirmation. Thanks Dr. F CHELLAI
01 January 1970 9,280 6 View
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 260 2 View
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 270 3 View
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 1,465 2 View
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 5,123 0 View
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 7,399 0 View
Salam, The reliance on p-values as a standard criterion for model and variable selection, particularly in methods like Uni-directional, Stepwise, Swapwise, Combinatorial, Auto-Search/GETS, and...
01 January 1970 789 0 View
Salam Alaykoum, I am opening this discussion to gather insights and perspectives regarding the use of Our World in Data (OWID) as a source for scholarly articles, research, and studies. OWID is a...
01 January 1970 3,350 1 View
Salam Alykoum, With the growing challenges of traditional academic publishing—lengthy peer review processes, high rejection rates, and access restrictions—should we reconsider the role of...
01 January 1970 7,733 3 View
Salam, How do recurrent conflicts and crises structurally disrupt economic systems and market dynamics, and what role can predictive and econometric models realistically play in forecasting and...
01 January 1970 550 0 View
