Lester Lim
Nanyang Polytechnic
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Awarded to Lester Lim on 09 Oct 2019
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Awarded to Lester Lim on 20 Jul 2017
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Question
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(...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Cross validation in matlab
What are the steps to performing cross validation on labels of data to get the accuracy of the results?
environ 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
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
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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:...
plus de 11 ans il y a | 1 réponse | 1
1
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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 ...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Undefined function 'eq' for input
It happened when I put this line in: PooledCov = PooledCov + ((nGroup(i) - 1) / (n - k) ).* cov(input(Group,:)); Please ...
plus de 11 ans il y a | 1 réponse | 0
1
réponse
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