In multi-label classification, why the sample-based performance evaluation metrics are usually lower than the label-based performance metrics?

Hi all, I am doing a multi-label classification using machine learning algorithms. In order to evaluate the performance of the multi-label classification, I am using label-based and sample-based...

13 January 2021 7,590 3 View

In multi-label classification, how do we find the P values and confidence interval for the performance evaluation metrics?

Hi all, I want to report the P values and confidence intervals for AUC values for two different multi-label classifiers. I got the following article, which is applicable for a binary...

10 January 2021 2,217 3 View

What are the approaches of improving SNR of spaceborne Hyperspectral instrument for Earth observation or Planetary science missions?

Spaceborne Hyperspectral observation (i.e. hyperspectral remote sensing in uv-visible-infrared spectral range) of Earth and for Planetary science, plays a very important role in improving...

27 December 2020 453 2 View

How to extract and store elemantal strain results data of a FEA using ansys in a text file for postprocessing?

I am doing a bone remodeling simulation using ANSYS. i need to extract elemental strain results and store in a text file for further processing. There is no option using *GET and *VGET command...

15 November 2020 2,731 2 View

How can I obtain Nodal Forces at selected nodes/elements for all time steps in a transient analysis in ANSYS?

I am working on a transient structural analysis in Ansys Mechanical. I want to export the Nodal reaction force vectors for selected nodes of a part at all the time steps. Basically, I need a force...

18 October 2020 9,789 3 View

What are the probable reasons that in my LCMSMS chromatogram, the background noise is absent?

I am trying to learn LCMSMS. For the purpose mentioned here, I am trying to make a standard curve of erythromycin. The solvent system is 1:1 water and acetonitrile. I got pretty good r-squared...

08 August 2020 9,768 3 View

Number of cores and nodes on running vasp on HPC?

I wanted to know how do you determine how many cores and noes you will need to perform an DFT analysis for particular molecules?? I normally use two cores for all my calculations and it pretty...

30 July 2020 4,279 5 View

How the INCAR file is different for SCAN and PBE+U for VASP?

Hi, I am trying to run a SCAN functional calculation in vasp. I have run the DFT for GGA+U in VASP before. So I was wondering what I need to deduct and add to my GGA+ U INCAR file to prepare it...

11 July 2020 334 3 View

Can we use gravity to travel one place to other ?

Just dig a deep hole perpendicular to the surface of earth. Later when we would be near core then may be repulsive forces of core may help us to move straight forward and come out to other part of...

12 March 2019 6,222 3 View

For contact stress analysis in gears, which stress in ANSYS represents contact stress, whether to use Von mises stress or contact pressure?

In ANSYS we get different stresses for gears under contact. So which stress should be used to compare with Hertzian contact stress.

10 March 2019 6,032 5 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 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 anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 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

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

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25 February 2021 5,713 1 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