How to solve error "Cannot find position restraint file restraint.gro (option -r)." on GROMACS?

Hi, I am about to do energy minimization but the above error occurred, I checked my .mdp file and .top file but could not find the problem. TOP file ; Include forcefield parameters #include...

01 February 2021 780 3 View

How can I use AMOS to conduct Exploratory Structural Equation modelling?

Almost all studies have used Mplus for Exploratory structural equation modelling ESEM. I wonder if it is possible to use AMOS for this purpose. Can I get a reference which discusses the specifics...

12 May 2020 5,269 8 View

What are the best environmentally benign/green solvents to dissolve PMMA?

I would like to use environmentally benign solvents for dissolution of PMMA to make thin films and coatings.

10 November 2019 8,847 4 View

Is it possible to measure TMOKE for thin films in transmission configuration?

The transverse magneto-optical Kerr effect (TMOKE) can be measured for thin film with the usual configuration of reflection. I heard that it is possible to measure TMOKE in transmission...

01 April 2019 9,170 2 View

Any Suggestions for coding with Mathematica to Solve nonlinear Hamiltonian System using Runge Kutta method?

Either Mathematica code or other programming tool

11 March 2019 2,765 3 View

How to find the phase difference between two signals by using python?

I'm a new user to python. For part of my project, I have 2 signals which more or less are in the form of "sine wave" with the same frequency and amplitude. I plot each one of them separately and...

17 April 2018 6,085 2 View

What is the type of effective mean pressure?

The mean effective pressure is a quantity relating to the operation of a reciprocating engine and is a valuable measure of an engine's capacity to do work that is independent of engine displacement.

22 April 2017 7,380 1 View

How do I calculate the compression ratio?

Compression ration is a fundamental specification for many common combustion engines.

22 April 2017 7,011 5 View

Is it possible to use Exporter dynamics database to determine innovation activities by countries?

03 February 2017 4,441 1 View

How to accept Linear Regression model that violate the regression assumptions?

Hello.. Dear researcher, I am doing study on traffic engineering based on the empirical data. After completing my analysis,developing the mathematical model and finishing my model validation,then...

25 September 2016 7,639 9 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to get started building and analyzing a UTAUT model?

Hello all, I need help getting started building and analyzing a UTATU model. I have a survey ready with some questions but I had some confusions on UATAUT and on how to analyze the data. I will...

02 March 2021 9,271 1 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 3 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 View

How can I set up a good fit SEM model in AMOS?

I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...

26 February 2021 8,642 4 View

How to run Cross-lagged panel Design on AMOS?

25 February 2021 3,126 1 View

I'm using AMOS for SEM--Why does my chi-square value change when I specify groups?

My study involves 2 groups (Black and Latinx participants, N=816). I've run my structural equation models with the data all together and will get a completely different chi-square when I specify...

22 February 2021 9,342 4 View

How can we estimate sample size for a moderated mediation analysis with more than two mediators?

How can we estimate sample size for a moderated mediation analysis with more than two mediators? I am looking for scripts, macros, syntaxes, that allow us to estimate sample sizes for research...

15 February 2021 6,813 3 View

What does it mean if in mediation analysis the indirect effect is significant but is a larger b value than that of the direct effect?

I understand that for partial mediation to have occured the CI for the indirect effect must not cross zero and the b value for the indirect effect should be smaller than the b value for the direct...

14 February 2021 3,273 7 View

Are negative valued indicators allowed in SEM?

Hello, Using secondary and continuous data, i am trying to run a SEM with two latents. One indicator has both negative and positive values. Is it wrong? (I am gonna run the model in AMOS) Thx on...

14 February 2021 2,801 8 View