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What are the steps to performing cross validation on labels of data to get the accuracy of the results?

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Asked 2 years ago

Error : Value of 'support' parameter must have two elements. What does this mean? I already put two elements in and this ca...

It's occuring in the knnclassifier!!! Need help! Error: Maximum variable size allowed by the program is exceeded. Code:...

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Hi, I'm quite new to matlab and seriously need help in validating, testing and training of data before I perform naive bayes cla...

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Posted 2 years ago

If I already classified a textured image and got its labels, how should I find the labels of another image which has some textur...

How do i search for a number that is zero in a column and determine its position? Need help in determining. Thanks is advance

Code to activate LDA: data = importdata('LDA data.mat') features=data(:,1:end-1); %split data without labels ...

Is there something called parallel toolbox which can help run things separately on two different cores? If there is how may I ge...

How does a trained classifier label a picture by its own? Let's say I have a training set, train it using the LDA classifier and...

If my LDA is to train the data but I have not enough computer memory to train the data, what should I do? I tried splitting the ...

What sort of support elements does naive bayes classifier need? I've got to insert two of this and not sure what sort of element...

Error using zeros Maximum variable size allowed by the program is exceeded. Error in knnclassify>distfun (line 216) D = zer...

Error using get Too many input arguments. Error in NaiveBayesClassifier2 (line 82) get predicted output for test set Co...

Lets say I have the following matrix: 1 2 3 4 5 2 3 3 3 3 2 2 2 2 5 how should I use max to get the larg...

In the workspace, my variable is: lableimage < 359x476x3 double > Whenever I reshape it into a single column, the result is not...

Error: Cell contents reference from a non-cell array object. I know that a input must be a cell array but thin is I don't know ...

Where would I be able to find a cross validation code? I don't have statistics toolbox and I neeed to do cross validation for ma...

Error: Attempted to access PriorProb(8); index out of bounds because numel(PriorProb)=7. What does this error mean? I got it ...

What are target variables, predictor variables and prior probabilities? Are target variables like the target that you want to p...

Is it possible to use parfor to run a very large variable separately? I've been finding a way to run a training data which is to...

It happened when I put this line in: PooledCov = PooledCov + ((nGroup(i) - 1) / (n - k) ).* cov(input(Group,:)); Please ...

Need help! IS this the right way to do classification? I cant seem to get the right labels out... Code: data = importdata(...

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Are there any ways to find the probability of labelling after performing LDA? Any help is welcomed...

Error: Error using ksdensity>compute_finite_support (line 181) Value of 'support' parameter must have two elements. Co...

data = importdata('LDA data.mat') features=data(:,1:end-1); %split data without labels lable=data(:,end); %get t...

Would changing the dimension space in knn classifier make space for more memory? The LDA I was using could not contain more tha...

If probabilities are provided, how do we derive labels from them in an LDA? What is the relationship between labels and probabil...

Hi, I need hlp in continuing this program. No matter what variable I put into it it always gives the same error... if (nar...