What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 View

Data balancing before test/train split or only training data balancing. which is correct?

While reviewing technical articles, I encounter some papers where authors have used data balancing before splitting test and train (on full data), and some only balanced training data and let the...

04 February 2021 1,446 0 View

Mental health of COVID-19 Patients?

We want to conduct a study on the mental health and psychological problems in COVID-19 patients and would measure it in terms of Anxiety by Beck Anxiety Inventory, Depression by Patient Health...

02 February 2021 6,401 6 View

How to extract RNA from brown adipose tissue(BAT)?

30 January 2021 6,610 3 View

Is PV array not available in MATLAb 2020a simulink?

I have MATLAB 2020a. PV array is not present in the simulink library. Can anyone please explain if the name of module has been changed or is it not available anymore? Is there any way to add PV...

24 January 2021 7,962 5 View

What is the ACTUAL COST OF A PUBLICATION??

Hi. It's 2021 January. Recently, I got to know that Elsevier has converted around 160 journals into some "Transformative Journals" and follow the recommendations under "Plan S"...

19 January 2021 9,985 2 View

Does anybody have the recipe for making a home made R electroporation buffer for Neon transfection systems?

I tried the recipes below in two cells lines: 1.DPBS 2.DPBS+MgCl2(1mM) 3.DPBS+Sucrose(250mM) 4.DPBS+MgCl2(1mM)+Sucrose(250mM) 5.R Buffer (Neon) the results showed that R buffer is the best one in...

06 January 2021 6,776 1 View

How to standardize and set parameters in the Puller sutter P-97 to get accepted pipette shape and resistance for whole cell recordings on DRG?

We are working on a P-97 puller and we are using it to do whole cell recording in DRG. We have 2 types of pipettes (borosilicate glass ID: 1.1 OD: 1.5 and ID: 0.86 OD: 1.5 ) as it showed in the...

04 January 2021 2,112 6 View

Why dose plasma AngII concentration decrease in AngII infusion mice detected by AngII ELISA kit?

I detect the plasma AngII concentration by AngII ELISA kit (ENZO), the results show that plasma AngII decrease in AngII infusion mice. I check with the kit and find that the kit could recognize...

31 December 2020 8,838 3 View

Can someone help me with this error that I am getting while estimating a VAR model in R?

I am using annual time series data to estimate a VAR model in R. However, when I run the command to find the optimal lag length, I get the following error: Fehler in VARselect(data, lag.max = 10,...

18 February 2021 9,647 3 View

Can I use breaking series as a regressor in a VAR model?

Context: I have two series, price and sales. Sales is mean-reverting stationery but price is stationary only after controlling for an intercept break. I want to set up a 2-equation VAR model...

14 January 2021 6,824 12 View

How to handle missing values?

Dear colleagues, What can you suggest in order to fill the missing values, as you can see in the picture? Best Ibrahim

24 December 2020 4,834 5 View

ARDL bounds test on Eviews: does multicollinearity impede the model from running?

Hi everyone, I hope I can get some help. My group is running an ARDL bounds model to test the Environmental Kuznets Curve in Cyprus. We're trying to perform it on Eviews, but we can't seem to be...

02 December 2020 9,230 4 View

Difference between ECM Regression and CEC Regression?

What's the difference between the ECM Regression in the ARDL Error Correction Regression and the Conditional Error Correction Regression in the ARDL long run form and bound test as seen in EViews

02 December 2020 6,770 1 View

How to conduct CUSUM and CUSUMsq test after the inclusion of an exogenous dummy variable in my ARDL model?

Hi all, I have been struggling a great deal with this matter and as such I hope you could provide me with answer. I have added a dummy variable to my ARDL model to improve its stability (Eviews)....

01 December 2020 1,071 5 View

How should I interpret my results if my VAR estimates are different then my IRFs?

Dear community, For my thesis, I am busy finding possible relationships between bitcoin returns, several index funds returns and macro economic variables. After running a Dickey-Fuller test on...

30 November 2020 4,923 3 View

How to run an MGARCH-BEKK MODEL in eviews and interpret the results?

19 November 2020 4,350 3 View

Can anyone provide the R or STATA code for Weak Exogeneity Test?

I am working on time-series data and want to analyze the price leadership among 3 markets with Weak Exogeneity test in a VAR framework. Does anyone know the R or STATA code for this test? Thank...

11 November 2020 8,241 3 View

I want to simulate a VAR model. How do I choose the coefficients to ensure stability?

I know how to compute eigenvalues to test stability. The question If i have for example a 10 node model with 5 lags, how do i choose stable parameters without just guessing.

06 October 2020 5,238 6 View