How To Run Granger Test with Panel Data? Do you have a practical guide?

Hello together, I would like to perform the Granger Test with my panel data. I am investigating 40 banks and examining the impact of digitization on ROA. Specifically, I have the variable...

01 December 2020 3,642 5 View

How to control the optimization step size in Gaussian?

I would like to perform a geometry optimization for a weakly bound methane dimer structure with Gaussian 16. During this process, the Newton-Raphson step size should be controlled such that its...

09 July 2020 1,956 2 View

How can we validate intrathecal administration in mouse spinal cord?

Beside color marker injection, is there any pharmacological agent (beside morphine) that induce a particular phenotype (morphine Straub tail) in mice? thanx in advance Roland

14 November 2019 5,968 4 View

How is from your point of view the web presence linked with social media activities in a B2B environment?

First research in my case study showed a strong relationship of the web presence and social media in B2B. What is your experience? Thanks, Roland

28 January 2019 5,710 3 View

How to check if an internal coordinate is totally symmetric with the help of the molecular structure?

I would like to decide whether a given internal coordinate (angle or dihedral angle) is totally symmetric, i.e., E(y1,y2,...,yi+delta,y[3N-5/6])=E(y1,y2,...,yi-delta,y[3N-5/6]) for any delta,...

14 January 2019 2,894 3 View

How to explain moderation effect using PROCESS Macro in SPSS?

I will like some help to interpret a moderating analysis performed using PROCESS Macro. The aim is to study the moderating effect of leadership behavior between the relationship of team...

11 December 2018 739 3 View

What is fire? Causes? Prevention?

What is fire? Causes? Prevention?

15 May 2018 3,272 9 View

How can you control weeds in wide farms?

How can you control weeds in wide farms? What is the best method of controlling weeds? Chemical method sometimes failed because weeds develop resistance on it over time. Now, what is the best...

15 May 2018 4,734 18 View

How do you compute for normalized standard deviation (NSD) from Elovich kinetics model parameters?

the NSD requires q(cal) (mg/g) but Elovich model only has alpha (mg/g.min) and beta (g/mg)

05 May 2018 8,093 4 View

Can I prime an Alzet minipump inside an animal rather than ex-vivo?

We want to implant Alzet 1007D minipump model delivering drug for 7 days using ICV canulla. Prime time for this model is 6 hours which makes priming quite unpractical if one wants to install pumps...

21 February 2018 4,710 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View