Does Scipy.Optimization.minimize API has the ability to converge into global minimum when local minimums are there?

In the python library Scipy, the optimization.minimize() API has several algorithms which we can use to optimize our objective functions. But in my case, when I use this API with those algorithms...

21 January 2020 1,069 6 View

What would be the suitable machine learning algorithm for a smaller dataset?

What would be the suitable ML methods for a low dimensional dataset e.g. 3000 x 5 (3000 records, 4 input variables and a single output)? Will Bayesian regularization methods work well due to its...

01 August 2019 1,217 3 View

Can machine learning methods to model time-to-event data?

08 May 2019 7,631 2 View

How to find the actual transition state of a reaction?

25 August 2016 7,629 3 View

Can a tool which has been validated as a self-administered questionnaire, be used in a study as an Interviewer-administered questionnaire?

20 July 2016 5,811 4 View

Does anyone know how to calculate Beta NTI?

16 October 2014 1,699 6 View

Very High Odd Ratio in multinomial logistic regression, is it ok?

I got odd with 18.14 (95%CI 2.04 - 27.24), Hosmer Lemeshow= 19.49; p=0.01; Nagelkerke= 0.41 which is significant at p

01 January 1970 2,518 9 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

Is stone a sustainable material? Is it a sustainable approach to use natural stone waste in architecture?

I'm designing a zero-waste restaurant and considering using marble waste to make some tables and a bar countertop. My clients think it's not "sustainable enough" and I would like to have more...

01 March 2021 4,326 7 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How to highlight novelty in your research paper?

I have come up with a method and had written a paper on it. Paper got rejected by a journal stating that there is no theoretical novelty. I am kind of confused on why the novelty that I am able to...

28 February 2021 2,393 8 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

Can I use a graph from a another source in a thesis?

I have a permission from X company to use their graph from a report, but they have a reference in the bottom left corner of the graph as follows: "Source: Database Y". Is it OK to use this graph...

24 February 2021 2,269 3 View