Is it the right method to transform path coefficients into correlations before meta-analysis?

We all know it is possible to get path coefficients from correlation matrix (e.g., PATH ANALYSIS I: INTRODUCTION (ecu.edu) ). Using a simple solver on a spreadsheet, it is therefore possible to...

23 February 2021 8,366 3 View

How can one use PSO to find finite non continous parameters (e.g. enums) ?

Hi, I am making an implementation of PSO for deep neural networks training. For that, I would like the PSO to find the best activation functions as well. However, unlike weights, I use a set of...

12 November 2020 1,506 3 View

Interactions in non-experimental data (agriculture) ?

24 September 2020 2,954 5 View

How to identify trees that have not recovered but are not yet dead after transplanting in urban environnement ?

Are there reliable and easy-to-measure criteria to identify trees that have not recovered after transplanting, but are not yet dead? In particular, I seek to know the reliability of criteria such...

31 August 2020 728 2 View

Any advice for an econometric model with panel data and a lagged variable ?

Hello, I am studying the nutrition status of households using a panel data survey of South-African Households. I would like to study the changes in the nutritional status of households between...

23 April 2020 5,017 6 View

How can I get the required sample sizes for PLS-SEM using G*Power?

I have tried to compute sample size with G*Power but I cannot get the results indicated in the table 1.7 of the book by Hair et al. A Primer on PLS-SEM. Have you tried to check this ? Have you get...

24 March 2019 5,596 1 View

Who knows a botanist in Mexico who could help me by collecting Mexican species of Gentiana?

Because of time limitation, I will not be able to visit Mexico in summer 2019. Yet, I would need a few species from there for some phylogenetic work by autumn 2019. These species are: G....

02 March 2019 9,199 2 View

Rate of oxidation of various materials?

Dear colleagues, Would any of you guide me to literature papers or websites which compiled the temperature dependent (T>1000K) oxidation rates of various materials (metals, ceramiques,...

23 January 2019 1,746 9 View

Does anybody have experience in the in vitro generation of IFNy-secreting NK-cells from murine progenitors (LSK) ?

28 May 2018 7,911 3 View

What is the simplest and cheapest method for coating glass with a thin 100 micron uniform layer of epoxy or silicone resin?

I want to make a uniform thin coat of resin /pigment on 5*100 cm glass sheets. The glass could be cut before or after the coating is applied. The coating should be very even in thickness. Any...

10 February 2018 2,569 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

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 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