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# Ahmed Hamed

11 total contributions since 2015

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Question

How to delete duplicate row? unique is not working?
I have a matrix (in the attachment) that contains duplicated rows. I issued this command spMBL = unique(spMBL, 'rows'); ...

3 years ago | 2 answers | 0

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Question

How can i delete repeated rows?
I have a matrix A as follows A = 1,1,2,3,4 2,1,2,3,4 I'd like to consider that the two rows are identical as th...

3 years ago | 1 answer | 0

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Question

How to identify the distribution of the data set?
Given a data set (.mat file). How can I identify the distribution (Normal, Gaussian, etc) of the data in matlab? Is there any bu...

3 years ago | 3 answers | 0

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Question

How to return the rows with specific value?
I have a simple matrix X = 0 1 2 1 1 2 2 2.5 4.5 3 2 2 4 4 1.5 5 4 2.5 and another matrix ...

3 years ago | 1 answer | 0

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Question

How to return value of column not the index using find function?
I have a simple matrix A= 1 3 4 2 2 1 3 3 5 2 I'd like to search for all values in the first ...

3 years ago | 1 answer | 0

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Question

How to store the real row id in datastore?
I'have a file named 'HIS_all.csv' and i used datastore function to store it as follows ds = datastore('HIS_all.csv', 'Dat...

3 years ago | 0 answers | 0

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Question

How to split cell array separated by ',' into double array?
I have a cell array (2x1) as follows '0,0,0,2,2,0.39,0.49' '0,1,2,2,2,0.34,0.44' I need to split it into double a...

3 years ago | 2 answers | 0

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Question

How to use kmeans function on data stored by datastore function?
I'm trying to cluster big data using kmeans, i found a code that can do something similar here you are Mu = bsxfun(@times...

3 years ago | 1 answer | 0

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Question

Finding columns that contain both integers and NaN
I have a matrix that contain Numerical values (float) and Categorical values (Int) as A = 1 NaN 2.2 3.2 4 ...

3 years ago | 2 answers | 0

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Question

How can i optimize the running time in for loops
I' trying to compute the Heterogeneous Value Diﬀerence Metric distance between objects in numerical data set, I'm using my own c...

4 years ago | 0 answers | 0