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Jack


Utara Malaysia Univirsity

Last seen: 11 months ago |  Active since 2015

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Why LDA model generate a topic include stop words although these words don't exist in the data ?
Hello and good day to you.. I am doing topic modling by Latent Dirichlet Allocation (LDA), and this require preprocessing (cl...

3 years ago | 1 answer | 0

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answer

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Why in topic modeling by LDA, stop words still exist within the generated topics, although I removed it by the stop words removal function ?
Hello and good day to you.. I am doing topic modling by Latent Dirichlet Allocation (LDA), and this require preprocessing (cl...

3 years ago | 0 answers | 0

0

answers

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How to do regression function estimiation by SVM using RBF Kernel along with parameters tuning to predict a future data ahead of a hourly temprature data?
Hello and good day , I have a hourly temprature data , so I need to use it to predict the next 24 hours temprature in the fut...

4 years ago | 0 answers | 0

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answers

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how to calculate the frequency of a certain signal ?
hello everybody, how i can calculate the frequency range of a given signal? for example i got that signal in the attached .m...

8 years ago | 1 answer | 0

1

answer

Question


ROC curve for Multicalss classification??
Hello and good day every body... i am dealing with multi class problem classification, and for evaluation purposes i need to ...

9 years ago | 1 answer | 0

1

answer

Question


how i can find the Union of a particular Binary array???
hello i have a matrix of 0 and 1 (binary matrix) for example: A= [001010 101101 110010]. ...

9 years ago | 1 answer | 0

1

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Question


what is the difference between the Objective function and the fitness function
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9 years ago | 1 answer | 0

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Question


How to develope Genetic ??
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9 years ago | 0 answers | 0

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Question


What is the real value
Hello every body, I tried to optimize features selection problem using GA,and the optimizing code implementing well, but the...

9 years ago | 1 answer | 0

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Question


How to increase the number of feature vectors for classification???
Hello everybody... i have i have data set consist of 40 number of feature vector (40 rows), and when i devide into training s...

9 years ago | 1 answer | 0

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Question


Undefined function 'fitcdiscr' for input arguments of type 'cell'.
Hello Guys..

9 years ago | 0 answers | 0

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Question


how to calcuate the Lower bound and the Upper bound ?
hello

9 years ago | 2 answers | 0

2

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Question


how to store more than one list into one list or one file to be includes all generated list from a loop ????
hello every body... i try to store generated lists in one list here is the code: Ylst=[]; for i=3 Y=[1*i;2...

9 years ago | 1 answer | 0

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Question


How to select a set (secondary data) of 4-dimensional primary dependent data ???
Hello sir.. I have 4-dimensional MATLAB variables of primary dependent variables with respect to independent variables in fou...

9 years ago | 0 answers | 0

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answers

Question


Undefined function 'ne' for input arguments of type 'cell??!!!
Hello, i trying to develop a classification matlab code for some data , however, i always face this error " Undefined functi...

9 years ago | 2 answers | 0

2

answers