Model specification for moderation in multilevel model with R?

I've got longitudinal data from a psychological experiment and try to model the data using R package lme4. My dependent variable y is continuous and is measured at eleven occassions. Each...

13 April 2020 6,619 4 View

How to connect hypothesis to your discussion?

Hello, The question was answered. Thank you! Kind regards

12 January 2020 1,834 2 View

Convert units of pre-exponential factor in Arrhenius equation for reaction rate?

I found several pre-exponential factors for the reaction rate of calcium carbonate crystallization. They are usually given in m^4 kg^-1 s^-1. Is there any change I can convert them to m^4 mol^-1...

08 October 2019 3,770 1 View

Is it true that light produced in the core of the sun needs a million years to reach the surface?

Atoms in the sun core are very fast moving. I read, that for this reason the light produced as a by-product of hydrogen fusion cannot pass directly to the sun surface (which would be a matter of...

19 January 2019 3,495 3 View

If we look from Earth into deep space with our telescopes beyond our galaxy, is the universe uniformly dense in all directions?

26 January 2018 2,314 5 View

Best way to clean CTFE equipment in order to avoid DNA contamination?

Dear colleagues, I received different pieces of lab equipment (mainly pestils and alike) out of CTFE and would like to reuse the same pestils without autoclaving them every time. I do not have any...

29 August 2017 4,356 2 View

What shall I do, when I conducted an exploratory factor analysis and it doesn't identify two of my constructs as separated constructs?

I conducted an explanatory factor analysis (I used different rotations and used principal component). The explanatory factor analysis wasn't able to identify two of my model's constructs as...

25 July 2017 8,445 2 View

Has anyone observed that MIN6 progressively express less GLP1R with increasing passage number?

19 October 2016 3,228 1 View

(Spatial) Working memory task in headfixed mice ?

I am investigating (spatial) working memory in mice. Due to the nature of the project the mice are head-fixed and therefore are not able to move around freely, eliminating most common tests for...

04 July 2016 2,997 2 View

What are best practices and relevant tools of sustainable financial investments (& insurance meachnisms) in rural activities and/or landscapes?

In many rural areas of "developing countries" small scale agriculturalists (farmers/fishers/herders/...) see the necessity for (financial) investments, they have the capacities (social & human...

25 June 2015 5,367 5 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View