How to make my research transparent?

I plan to carry out a survey research that will model a certain variable with other pre-specified variables. As this is not an intervention study, I am not obliged to register the study to such a...

09 October 2019 2,616 5 View

Reusing dataset from a public data repository?

This is advised nowadays to submit a dataset to a publicly available repository (eg. Mendeley) before publishing a paper done on these data. Can I reuse such a repository dataset to publish my...

31 December 2018 9,134 3 View

How large is effect size in social science analyses?

The effect size in statistics reflects the magnitude of a measured phenomenon. It may be expressed as a coefficient of determination (R2), which states how much variance can be explained by the...

11 December 2018 1,654 5 View

Software to illustrate confirmatory factor analysis model?

Hello! Does anybody know any free software to build an illustration of the confirmatory factor analysis model (like in the attachment)? I use STATISTICA to perform the analysis itself, but it...

06 July 2018 9,797 3 View

Access to the full text of "Neuroscience meets salivary bioscience: An integrative perspective."?

Dear All, Does anybody have an access to the full text of "Neuroscience meets salivary bioscience: An integrative perspective." by Segal SK, published in Behav Neurosci. 2016; 130(2): 156-75....

01 February 2018 596 0 View

Software for internal validation of a Cox regression model?

The best suggested method to internally validate a Cox regression model bases on bootstrap resampling technique with subsequent assessment of discrimination and calibration performance of...

11 December 2017 1,488 4 View

Intra-assay coefficient of variability for ELISA - misinformative?

While assessing intra-assay coefficient of variation (CV), it is generally advised that CVs should be calculated from the calculated concentrations rather than the raw optical densities. If the...

11 December 2017 5,468 6 View

Can I reuse data previously published as preliminary report in my final original article?

06 July 2017 9,308 1 View

Could you please recommend a useful software to manage references?

While preparing a scientific paper one may experience a mess with citations. Especially during adding and removing a citation and because various formats of references exist. Could you please...

06 July 2017 1,628 3 View

Challenging "p<0.05" dogma?

06 July 2017 6,462 43 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 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

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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View