How long can we consider that the data obtained with qualitative social research methods are "current"?

I cannot find any reference that deals with the temporal validity of qualitative data. I think there is a gap in the methodological literature on the temporal validity of the research results and,...

05 February 2021 9,788 20 View

How can I make a center of mass vs time graph?

I have a trajectory file of about 1000 frames which I have calculated a center of mass for each frame. I would like to use the first frame as a reference and see how much the center of mass...

04 February 2021 5,774 1 View

Can I use the images of Collection 1 Level 2 Landsat 5 TM / Landsat 8 OLI to perform vegetation indices right away?

I'm aware that in order to perform any vegetation index like NDVI, SAVI or OSAVI you need to do some atmospheric, radiometric and terrain corrections. I'm pretty sure that Level 2 images from...

21 December 2020 4,088 3 View

Does anyone know papers that use large databases of abundance of different groups of species?

03 October 2020 2,506 4 View

BSEM/SEM approach?

Hi all! I'm getting into BSEM approach and I am specially concerned about when it is recommended or not to use this model. I have tested a BSEM with a small sample obtaining excellent results,...

07 September 2020 3,919 3 View

There seems to be a double me?

You keep recommending that I invite a Ruben C. Gur to join. That person is me. Do I have two accounts or is something messed up in your database? Is someone else getting credit for my research or...

06 September 2020 2,374 5 View

How do I avoid from getting fatal error message when running Amber?

Welcome to antechamber 17.3: molecular input file processor. acdoctor mode is on: check and diagnosis problems in the input file. -- Check Format for pdb File -- Status: pass -- Check Unusual...

17 August 2020 7,046 3 View

Do you think that COVID-19 will make small countries in Eurasia to pivot to China?

It seems that Asia is doing better in countering COVID-19 than "traditional" great powers. Do you think this will make small countries in Eurasia to pivot to China?

11 May 2020 2,847 10 View

What is the effect of Coronavirus on the world order?

What do you think, how Coronavirus will reshape the transforming world order?

24 March 2020 742 24 View

What is the most effective way for you to run online classes?

Because of the Caronavirus I am running my classes online. In this regard I am wondering if you have that kind of experience and what is the most acceptable app/method for you. Thank you in advance

13 March 2020 9,580 49 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

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 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

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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