Can I do a T-test between males and females for a single likert item?

01 February 2016 800 11 View

How can I fit a Hierarchical regression with 2 categorical and multiple scale variables in SPSS?

How can I fit a Hierarchical regression with 2 categorical and multiple scale variables in SPSS?

01 February 2015 9,649 3 View

How can I measure heterogeneous variables along a road segment?

I am not sure how to design the sampling plan. It is time consuming to measure the variable along the entire road (200 km. Aprox). How many samples are statistically representative? Should I think...

11 December 2014 2,654 14 View

How to represent human-machine systems?

I need to draw the interaction and different modes of driving with GPS

04 May 2014 3,577 2 View

Does anyone know the best way to report several logistic regressions (different responses, same independent variables) in a journal article?

Some examples? Recommendations?

02 March 2014 8,380 5 View

What should be considered as an indicator of the editorial process speed in scientific journals?

I usually consider the number of issues per year. But I want to know other strategies you usually do to estimate the editorial speed? Any idea where can I consult this?

02 March 2014 769 6 View

What do you think about to ask other researchers to review my working papers in order to receive prior feedback?

I think that platforms like Open Review could help with this. It is true that this could help to improve my work in order to get high impact publications, but I want to hear the implications.

02 March 2014 2,251 1 View

Is the affiliation of an author related with his/her actual position or the place where he/she made the research?

I am interested in know, what is the correct practice when you change your position and have some unpublished research results (without any specific funding). Is it appropriate to use both...

02 March 2014 6,092 11 View

Does anyone know the best way to report several logistic regressions (different responses, same independent variables) in a journal article?

Some examples? Recommendations?

28 February 2014 7,434 4 View

is there an open source software for Decision Trees?

Chaid

09 October 2013 393 4 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View