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Lester Lim


Nanyang Polytechnic

Active since 2013

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

bijna 12 jaar ago | 0 answers | 0

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answers

Question


Classification using based on texture of an image
If I already classified a textured image and got its labels, how should I find the labels of another image which has some textur...

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


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

bijna 12 jaar ago | 2 answers | 0

2

answers

Question


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

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


How do I differentiate which pixels are classified by the LDA?
Code to activate LDA: data = importdata('LDA data.mat') features=data(:,1:end-1); %split data without labels ...

bijna 12 jaar ago | 1 answer | 0

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answer

Question


Is it possible to use parfor to run a very large variable separately?
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...

bijna 12 jaar ago | 1 answer | 0

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answer

Question


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

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


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

bijna 12 jaar ago | 2 answers | 0

2

answers

Question


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

bijna 12 jaar ago | 0 answers | 0

0

answers

Question


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

bijna 12 jaar ago | 0 answers | 0

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answers

Question


LDA showed probability problems in calculating probability of labels
data = importdata('LDA data.mat') features=data(:,1:end-1); %split data without labels lable=data(:,end); %get t...

bijna 12 jaar ago | 0 answers | 0

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answers

Question


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

bijna 12 jaar ago | 0 answers | 0

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answers

Question


How does a trained classifier label a picture by its own?
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...

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


Not enough computer memory to train the data...
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 ...

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


What sort of support elements does naive bayes classifier need?
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...

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


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

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


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

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


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

bijna 12 jaar ago | 1 answer | 1

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answer

Question


How to find the maximum number in each row in a variable.
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...

bijna 12 jaar ago | 1 answer | 0

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answer

Question


Is there a way to remove double from the variable?
In the workspace, my variable is: lableimage < 359x476x3 double > Whenever I reshape it into a single column, the result is not...

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


Cell contents reference from a non-cell array object error
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 ...

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


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

bijna 12 jaar ago | 0 answers | 0

0

answers

Question


Cross validation for machine learning
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...

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


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

bijna 12 jaar ago | 1 answer | 0

1

answer

Question


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

bijna 12 jaar ago | 2 answers | 0

2

answers

Question


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

bijna 12 jaar ago | 0 answers | 0

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answers

Question


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

bijna 12 jaar ago | 1 answer | 0

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