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phdcomputer Eng


Last seen: mer än 3 år ago |  Active since 2018

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Question


what is substitution for fscmrmr in MATLAB R2016a?
I have matlab R2016a program on my computer, I want to use the mRMR feature selection algorithm so I found this function in MAT...

mer än 4 år ago | 1 answer | 0

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answer

Question


How to use sparse matrix without any problem with MAXSIZE ?
I want to use mRMR algorithm and a part of code is using mutualinfoDis function that it's code is: % feature-selection-mRMR % ...

mer än 4 år ago | 0 answers | 0

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answers

Question


How to use ReliefF algorithm for a dataset?
I want to use ReliefF feature selection algorithm for a dataset(colon), I found this code for ReliefF function from github websi...

mer än 4 år ago | 1 answer | 0

1

answer

Question


How to convert floating-point numbers to integer values for comparison with each other?
I want to classify a dataset by using Decision Tree(DT) to compute the accuracy, for accuracy computation , we compare the resu...

mer än 4 år ago | 0 answers | 0

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answers

Question


Should sensivity and specificity values always be reverse in Matlab?
I want to compare several methods by using sensivity and specififcity (Measures for performance evaluation) , I wrote these co...

mer än 4 år ago | 0 answers | 0

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answers

Question


How to solve the SVMTRAIN 's groups error?
I am using SVM classifier for binary classification(class labels are 0 and 1) by using this code: mysvm=svmtrain(xtrain,ytrain,...

mer än 4 år ago | 0 answers | 0

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answers

Question


How to use SVM-RFE for feature selection?
I used thse codes from github for SVM-RFE feature selection % original code by PKF % RFE original courtesy of KE YAN, SM %...

nästan 5 år ago | 0 answers | 0

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answers

Question


how to use ReliefF algorithm for feteare selection?
I want to use ReliefF Algorithm for feature selection problem,I have a dataset (CNS.mat) I wanted to apply ReliefF Algoritm on t...

nästan 5 år ago | 2 answers | 0

2

answers

Question


How to define a set of features of a dataset in matlab?
I have a dataset CNS with the size nxm n instances and m features(columns), I wanted to write codes to collect all the feature...

nästan 5 år ago | 0 answers | 0

0

answers

Question


How to draw a bar plot for comparison different methods?
I want to draw a figure like the figure that I attached, every colourful line is the output of a specific methode and the output...

nästan 5 år ago | 0 answers | 0

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answers

Answered
How to save the several results of a program in an array?
@Stephen Cobeldick I attaced the allaccuracydata,classificationa and ftanimotodist functions. Thanks greatly

nästan 5 år ago | 0

Question


How to save the several results of a program in an array?
clc; clear; close all; tic load colon.mat data=colon; [n,m]=size(data); %% %supervised d=10; l=1; t=1; for i=1:n ...

nästan 5 år ago | 2 answers | 0

2

answers

Question


how to compute the average of several repeats of a program in matlab?
I wrote this program to classify the dataset(colon) and compute the accuracy of the classifier, I wanted to repeat the classific...

nästan 5 år ago | 1 answer | 0

1

answer

Question


How to compute the average of several runs of a function?
I wrote these codes,I loaded the dataset(colon attached) and I randomly selected a part of the data for test and a part for trai...

nästan 5 år ago | 0 answers | 0

0

answers

Question


Inner matrix dimensions must agree
I wrote these codes, I splitted the dataset(colon attached) into two parts (data1 and data2) based on the last column(1 or else)...

nästan 5 år ago | 2 answers | 0

2

answers

Question


How to make two vectors the same size?
I wrote these codes, I splitted the dataset(colon attached) into two parts (data1 and data2) based on the last column(1 or else)...

nästan 5 år ago | 1 answer | 0

1

answer

Question


how to define Sorenson distance as a function?
I wrote this function for computing Sorenson distance (the formula of Sorenson is attached), Is this code right? the colon is 6...

nästan 5 år ago | 0 answers | 0

0

answers

Question


Why my MATLAB program doesn't stop?
I wrote this program in MATLAB to compute the distance between each feature with the rest of features in CNS data (attached) , b...

nästan 5 år ago | 0 answers | 0

0

answers

Question


How to apply voting for classifiers and obtain the accuracy of classification?
I want to combine the results of five classifiers (SVM, random forest, naive Bayes, decision tree, KNN) by majority voting. I co...

ungefär 5 år ago | 0 answers | 0

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answers

Question


How to select the values greater than the mean in an array?
I want to apply feature selection on a dataset (lung.mat) After loading the data, I computed the mean of distances between eac...

ungefär 5 år ago | 1 answer | 0

1

answer

Question


How to apply NMI (mutualinfo) accuracy measure for classifiers?
I want to compute the NMI measure for obtaining the accuracy of the classifiers on a dataset (attached) I used this mutualinfo f...

ungefär 5 år ago | 0 answers | 0

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answers

Question


How to sort a matrix's columns by using indexes
I wrote some codes to sort an array (a) descendingly. I want to use the indexes (indA) to sort the data matrix's columns. clo...

mer än 5 år ago | 2 answers | 0

2

answers

Question


How to compare array's values with each other?
In an array (a) with indexes from 1 to m, I want to compare the values of this array one by one with each other, and if the dist...

mer än 5 år ago | 2 answers | 0

2

answers

Question


How to calculate threshold for matrix in Matlab?
I wrote these codes to calculate a threshold for distance values between features of the dataset. after computing hamming distan...

mer än 5 år ago | 1 answer | 0

1

answer

Question


How to compare matrices with different dimensions?
I wrote a code for classification by using 5 classifiers and at the end I used voting this code is for initia defining of train ...

mer än 5 år ago | 0 answers | 0

0

answers

Question


How to fix MATLAB errors arise from changing the search path?
The Matlab software installed on my computer(windows OS) shows a lot of errors when I tried to change the search path by using a...

mer än 5 år ago | 1 answer | 0

1

answer

Question


How to fix an error about struct input of an function in Matlab?
I wrote this function svmclassify: [SL: Removed the svmclassify function. This is identical (modulo a few blank lines added) to...

mer än 5 år ago | 1 answer | 0

1

answer

Question


How to fix a program that does not end?
I wrote a program for clustering that a number of kmeans algorithms are implemented on a dataset, clear all close all clc lo...

mer än 5 år ago | 1 answer | 0

1

answer

Question


How to fix the errors Arise from moving .m files and functions in folders?
I wrote some codes in Matlab for classification and I achieved the desired results, all the functions which were used in the pro...

mer än 5 år ago | 2 answers | 0

2

answers

Question


How to write CSPA algorithm for clustering ensemble in matlab?
I have lung cancer dataset (attached) , I want to apply clustering ensemble algorithm on the data : CSPA (cluster-based similari...

mer än 5 år ago | 0 answers | 0

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answers

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