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

Guidance request, to choose the topic of the seminar and dissertation related to construction management, remote sensing and gis ?

Greetings and best wishes to all members. I am studying for a master's degree (engineering and construction management). I want to choose a topic for my seminar and dissertation and I am very...

28 October 2020 7,538 3 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

Weird sequencing result?

Hi colleagues; Can any one help with attached image of Sanger sequencing, where Alignment result shows SNP cant be confirmed by the other primer ( 2 nucleotides difference). One primer shows SNP...

27 July 2019 3,092 4 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

Which algorithm is used by commercial FEA solvers for Topology Optimization?

These commercial FEA solvers do Topology Optimization after FEM Simulation but on what basis they remove elements from the model.

02 January 2019 497 11 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View