How to deal with the error message" no non-missing values returned for equation 1 at initial values?

More Imene Guermazi's questions See All

Inquiry Regarding Higher-Order Shear Deformation Theory (HSDT) and First-Order Shear Deformation Theory (FSDT)?

Dear All, I am writing to solicit your expertise regarding the application of Higher-Order Shear Deformation Theory (HSDT) and First-Order Shear Deformation Theory (FSDT) for structural...

22 June 2024 7,751 5 View

What could cause an decrease in the electrical resistance of a conductor when it is under cyclic sollicitations?

the metallic conductor is subjected to cyclic tensile-tensile loading, while the mechanical response clearly shows that the damage to the material increases as the number of cycles increases; it...

27 February 2024 8,079 0 View

What is the difference between active mode and inactive mode for RAMAN spectrophotometer analysis ?

Does active mode mean that there is a vibration and does the inverse meaning for inactive mode?

13 February 2024 8,150 0 View

Is there any literature on the effect of cyclic tensile loading (tensile fatigue) on the electrical behavior of a conducting metal?

Evolution of current, electrical resistance or any other electrical parameters under cyclic tensile loading.

10 May 2023 7,621 2 View

Request for free APC Management and Social Science journals?

Good day, please i wish to request for any or list of free APC journals in Management of Social Science. it must not be SCOPUS or Thompson Reuters. Your kind response will be highly appreciated....

10 May 2023 6,021 2 View

How can I write xc functional type PAW in castep code?

how can I write xc functional type PAW in castep code?

15 January 2023 6,384 1 View

Can I present in a conference of a paper under submission?

I have a paper under submission, and I have not receipted the submission result. Can I present the paper in a conference

22 December 2022 3,278 4 View

How to calculate DOS of a solid material by using CASTEP in Materials Studio?

08 November 2022 4,498 1 View

Will I be pursued if I translate and republish in an English review a paper already published in an extinct French review (never cited)?

Republish a translation of a paper already published in an extinct review

10 October 2022 1,315 4 View

What books would you recommend for a beginner PhD student who wants to learn Gaussian ?

I only know some basics like calculating energies('single point, Opt, opt+freq...etc) and visualization HOMO, LUMO, UV Spectra..etc Thanks for your advices .

23 March 2022 8,457 3 View

Bimodal Distribution, Split or Transform for ANOVA?

Hi, I have some experiments where different nutrients/fertilisers (including but not limited to N) were applied to plants. Unsurprisingly the data produced is bimodal. The populations are...

18 July 2024 7,305 1 View

Why do most people use GMM in analysis that focus on Africa?

I want to understand why most analyses conducted in Africa use GMM instead of other panel data estimation techniques.

16 April 2024 5,322 3 View

How could we implement -xthenreg (GMM threshold) with robust errors (Stata14)?

Could you please clarify how to add robust (white) errors to the function -xthenreg in Stata14? I am running Threshold GMM Estimator (Seo and Shin (2016)) for my panel (N=60, T=28). Commands such...

03 April 2024 8,500 1 View

How can we write the system GMM model (mathematical equation)?

20 March 2024 5,609 1 View

How to Interpret Validity of GMM Model Specification - Valid at Subsample Levels?

I am currently conducting research on the influence of budget revisions on budget absorption in government units. The estimation method I am using is the system GMM, with approximately 15,000...

19 March 2024 5,579 0 View

Can, please, someone share step wise procedure to run GMM, first difference GMM, two step difference GMM and two stage GMM on Panel data IN STATA?

Also, how we can understand we have to for GMM model for our data? why do we go for different GMM models when there are random and fixed effect methods that can be decided by the Hausman test and...

09 January 2024 4,622 4 View

Steps for running GMM during Analysis?

Help is requested.

17 October 2023 9,632 0 View

What to do if you can't perform the AR(2) Arellano-Bond test in system GMM because of insufficient time periods (T=3)?

I am estimating a system GMM model with N=5000 and T=4. One time period is lost due to the dependent lagged variable, and so, in practice, T=3. The Arellano-Bond test for serial correlation needs...

13 October 2023 9,046 0 View

Le fait de ne pas rejeter le test d'Arellano-Bond pour AR(1) impactent les estimations ?

. xtabond2 IndicedeTheil PIBparhabitantUSconstants InflationdéflateurduPIBa ITC Créditintérieurfourniausecte, gmm( IndicedeThei > l, lag(2 4)collapse) iv( PIBparhabitantUSconstants...

23 August 2023 5,900 1 View

Large N and large T panel analysis, which method to use ?

Hello, I am using panel data with N= 37 (countries) and T= 31 (1990 to 2020). After reading about literature of dynamic panel methods, I found that when T is small and N is large, it's better to...

04 August 2023 8,529 2 View

Imene Guermazi

I am using STATA

Muhammad Ali

Have a look at https://www.statalist.org/forums/forum/general-stata-discussion/general/1503918-non-linear-regression-in-stata-error-starting-values-invalid-or-some-rhs-variables-have-missing-values

https://www.researchgate.net/topic/GMM

https://www.researchgate.net/topic/Stata-Software/3

Thank you. Interesting references