Beta greater than 1 in structural equation modeling?

Dear all, I've encountered a problem while doing SEM and I can't find a solution anywhere. Hope that someone here can help me with this. The problem is, that some standardised estimates in...

11 January 2021 9,792 5 View

SEM in experimental design with 3 groups?

Hi all, I'm trying to conduct SEM analysis (in R) for a study with experimental design with 3 groups (1 control and 2 experimental), but I seem to get the wrong results in the regressions. Hence...

03 October 2020 3,286 11 View

What is the correct SEM estimator for categorical non-normal data?

Dear all, I'm conducting SEM in R with lavaan, and I'm not certain what is the correct estimator for my model. I have 10 variables in total. 7 of the variables are each composed of 3 items rated...

05 September 2020 157 4 View

5. UAV in CBRNE articles/projects/applications/programmes?

What are a UAV/drone in CBRNE-related articles/projects/applications/programmes?

08 January 2020 9,849 1 View

Where can I find information about occuring Gnathotrichus materiarius (Coleoptera: Scolytinae) in America/USA?

Where can I find information about occuring Gnathotrichus materiarius (Coleoptera: Scolytinae) in America/USA? I found some publications and I downloaded data from GBIF, maybe there is something...

24 June 2018 9,506 2 View

Is it possible to create generic model in C-PLEX/Gurobi/Google OR-tools etc?

I have a problem, where equation changes with problem instance size. There are given n circles (centers and radiuses ). Circles dont intersect, they are separable. I need to visit every circle...

03 September 2017 8,557 3 View

Does anyone have identification key that includes genus Hypothenemus (Curculionidae: Scolytinae)?

I found bark beetle, probably Hypothenemus eruditus Westwood, 1836 (Curculionidae: Scolytinae), but I can't find any identification key to confirm it.If anyone has it I will be grateful for sharing.

09 May 2017 8,380 3 View

Western blot detection of Rhodopsin in Drosophila heads?

Rhodopsin in Drosophila is 35kDa membrane protein. Do you know some good homogenization buffer? In the literature I see that most of the people use Laemmli sample buffer and just simply smash the...

09 March 2016 7,318 8 View

Mozilla has very interesting campaign for Gb/s future of the networks

Please contribute, comment, validate, show value, enhance and vote. http://www.mozillaignite.org/ideas/131/ http://www.mozillaignite.org/ideas/169/

12 August 2012 9,084 2 View

Hypoborus ficus (Coleptera: Scolytinae) in Austria - primary source of information?

01 January 1970 9,176 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

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

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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 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

How UAV or drone can be beneficial to better estimate crop yield?

As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...

01 March 2021 3,468 3 View