Is there any way to calculate the voulume under the roc surface (VUS) for multiclass classification

I have a multi class classification problem for various classifiers. I want to check which one is better among these classifier in total. I read some where that volume under the roc surface would...

04 May 2015 2,638 1 View

How do In compare two or more classifier's performance using area under the roc curve (AUC) for multi class classification?

I have a 4-class problem with 5different classifiers. I want to find the best classifier among these 5 classifiers based on the area under the roc curve (AUC) concept. I have AUC of each of the 4...

04 May 2015 727 7 View

Is it possible to call a function from MATLAB using Visual Basic or GLG?

I want to call a matlab function from a graphical user interface developed using VB or GLG. This .m file could be a matlab library function or user-defined function Is this possible?If yes, please...

02 March 2015 391 3 View

How can I analyse some datasets using svm or neural nets, is it advisable to always write ones own code or are packages also good?

In-built packages are available in MATLAB for support vector machine and neural networks implementation. How can I analyze and test data sets? Can I use these packages or do I have to write...

31 December 2014 827 8 View

What does ten times ten-fold cross validation of data set mean and its importance?

It is said that we should go for a ten times ten-fold cross validation. What does this mean and how is this done? What is the actual need of doing so?

31 December 2014 597 8 View

Can we select the data file in .txt form to be uploaded from my pc using MATLAB GUIDE?

I want to develop a GUI using matlab guide where there is a provision to upload data file from the pc where the program or code is running. This is like online uploading the data rather than...

31 December 2014 6,991 3 View

How to counteract with the problem of ''OUT OF MEMORY" in MATLAB for PCA?

I am trying to analyse a Principal component analysis of a data set. But when I trying to take columns more than 5 as principal components, matlab throws an error saying 'out of memory'. How to...

10 November 2014 6,556 6 View

How to classify different trend of events happening online based on the database of the trends previously used for training?

I would like to explain this question with an example. It is bit lengthy but please bear with me. Let say, I have 3 events and each have a specific trend of time dependent data for a particular...

09 October 2014 3,178 1 View

What are the techniques used to transform a data to a higher dimension?

I want to classify some time series events. Due to the occurrence of an event, particular parameter continuously changes w.r.t time. This changing trend of the parameter is different for different...

09 October 2014 5,656 4 View

What are the expansion of ROC and AUS which are related to classification meeasures

I am working on classification based problem using machine learning. I came across two abbreviation ROC and AUS which are said to be classification measures. What are the expansion of these and...

08 September 2014 1,245 1 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

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 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

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