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Learning SVM.

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Saving data for ROC curve?
Hi; I'm runnning some length calculation on different machines and on each machine I generate at the end a ROC curve. I th...

presque 8 ans il y a | 1 réponse | 0

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Question


Matlab Licence for Education
Hi; My university have Matlab licence for Education purpose only (not research). Could I use for my thesis research? mean...

plus de 8 ans il y a | 3 réponses | 0

3

réponses

Question


Is SVM resilient to noise
I have tranning set composed of 36 features. when I calculated "explained" value of PCA using Matlab. I notice that only the fir...

presque 9 ans il y a | 1 réponse | 0

1

réponse

Question


Dimensions Reduction in Matlab using PCA
Hi; I have a matrix of 35 columns, and I'm trying to reduce the dimension using PCA. I run PCA on my data: ...

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


Uniform class probabilities vs. Empirical class probabilities
Hi; I found on one Matlab example of Uniform class probabilities and Empirical class probabilities. Empirical class probab...

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


Why SVM is not giving expected result
I have training data composed from only one feature. The feature have around 113K observation. * 8K only of those observat...

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


Why SVM is not giving expected result
0 I have training data composed from only one feature. * The feature have around 113K observation. * 8K only of those o...

plus de 9 ans il y a | 1 réponse | 0

0

réponse

Question


SVM Training: prediction do not give expected result for 1 column feature
I only have observation with one feature (column) only * The positive observation have values with *83%* below 1 (so 17% ab...

plus de 9 ans il y a | 1 réponse | 0

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Question


Principal component analysis and feature reductions
Hi; I have a matrix composed of 35 features, I need to reduce those feature because I think many variable are dependent. I unde...

plus de 9 ans il y a | 1 réponse | 0

1

réponse

Question


Why there is no Quadratic kernel in fitcsvm
Hi; In *SVMTrain* there is *Quadratic* kernel function. However, I notice in he new *fitcsvm* . There is no Quadratic ... any...

plus de 9 ans il y a | 1 réponse | 0

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Question


How could I check if the result of fitcecoc is converged
Hi; When I use ' *fitcsvm* ' I could check if the result is converged or not by calling ' *ConvergenceInfo.Converged* '. Howe...

plus de 9 ans il y a | 1 réponse | 0

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Question


Differences between svmtrain and fitcsvm
I have a set of data composed of list of 35 features. I notice when I give the data to *svmtrain* I get the message: no con...

plus de 9 ans il y a | 2 réponses | 0

2

réponses

Question


svmtrain compared to fitcsvm
In the previous depreciated "svmtrain" function, The function will stop and return "No convergence error" if it's couldn't train...

plus de 9 ans il y a | 1 réponse | 2

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Question


How can I train SVM in Matlab, with more than 2 classes?
Hi; I was trying to use fitcsvm to train and classify my data. However, I notice - correct me if I'm wrong - that <http://www...

plus de 9 ans il y a | 1 réponse | 0

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Question


How to set Sigma value in CompactClassificationSVM in Matlab
Hi; I'm new to Matlab and I would like to set the value of Sigma for the class CompactClassificationSVM I couldn't find ...

plus de 9 ans il y a | 1 réponse | 0

1

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Question


How to do grid Search to optimize sigma using Matlab?
Hi; I new to SVM, hence, please consider this when you answer the question. I'm trying to classify IRIS data using matlab....

plus de 9 ans il y a | 2 réponses | 0

2

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