Centrality measures computation in Biblioshiny/ Vosviewer?

26 February 2021 7,279 2 View

Can we mix elemental powders of 325 mesh using an agate mortar and pestle?

Elemental Powders like Titanium, vanadium, tungsten, zirconium, hafnium.

04 January 2021 7,357 1 View

How to run spin polarized calculations in quantum espresso?

I would like to run spin polarized calculation using quantum espresso. Is it important to add spin polarization in calculating the wavefunction cutoff, K point convergence and geometrical...

17 November 2020 7,604 2 View

MAX phase synthesis?

We are having titanium, aluminium and graphite powders. But we don't have ball milling facility in our lab. Can we mix these manually using mortar and pestle for obtaining MAX phase powders? How...

16 November 2020 3,436 4 View

Material simulation of Concrete damage plasticity model(CDP), In abaqus?

09 November 2020 268 2 View

How to respond to the comments from multiple reviewers?

I have received comments from three reviewers. many of the comments are similar. do i have to respond to the comments of all the three reviewers individually or can i write a consolidated...

15 October 2020 9,220 4 View

Testing endogeneity in the model through VAR ?

I have the panel data regression model for which have to test the endogeneity. i read one research paper which was using Vector Autoregression (VAR) to test the endogeneity. in that paper, it...

03 October 2020 877 3 View

Enzyme assays of mutant GBA cell lines ?

How do i measure the enzyme activity of human GBA in cos 7 cells that have been transfected with mutant plamids. After 24 hours of plating cells in a 12 well plate, I transfect cos 7 cells with...

30 August 2020 4,496 3 View

How to describe mixed occupancies in the Quantum espresso input file?

I am having trouble describing partial occupancy in the input file. One of the site is occupied by two atoms with (50% occupancy). when I generate input file, the other atom is getting ignored....

19 April 2020 9,383 3 View

Antimicrobial properties of metal oxide nanoparticles?

08 April 2020 3,013 5 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

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 View

VIF very high, but correlation is low and coefficient is significant. Which one whould I choose?

Hello. I have a question whether if my coefficients (statistically significant) would be valid when VIFs are really high. In my model, there are independent variables(IV), moderating variables...

26 February 2021 956 13 View