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# Lakyn

Active since 2016

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Question

How do I find list down values in a matrix that is larger than 0.75?
Hi! So I want to list down the entries that the data in my matrix is larger or equal to a particular value, say 0.75. I on...

6 years ago | 2 answers | 0

### 2

Question

How do I do correlation coefficient within a matrix?
Hello! So I understand how to use the built in correlation coefficient, but it does not work for me. My scenario is that I ha...

6 years ago | 0 answers | 0

### 0

Question

I wrote my own code to find correlation coefficient, but the results are wrong. Why?
Hi guys, I wrote a code to calculate correlation coefficient among my 76x4000 matrix. Basically I want to test for the correl...

6 years ago | 1 answer | 0

### 1

Question

How do I create a histogram with y axis being count, and x-axis being 20 different possible values?
Hello, I have a 76x76 matrix that I would like to convert into a histogram. All the values in it range from -1 to 1, but I on...

6 years ago | 1 answer | 0

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Question

How do I find the correlation coefficient between two vector arrays?
Hi guys, I transformed 2 matrices into vector arrays, so like each vector has 1 column and 2850 rows. How do I find the correla...

6 years ago | 1 answer | 0

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Question

After using triu, how do I exclude the 0s in the vector?
Hi all, So my matrix, lets call it A is 76x76, and I only want the top triangular corner(without the main diagonal line). I man...

6 years ago | 1 answer | 0

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Question

How do I create a vector array out of certain values of a matrix?
Hi all, I have a 76x76 matrix, and I want to make the matrix into a vector array instead. But, the matrix is a symmetric matr...

6 years ago | 2 answers | 0

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Question

How do I find averages of certain values in a matrix.
Hi all! So basically I have a 76x76 matrix, but I want to find the average for the values for the corresponding pairs, e.g. 1...

6 years ago | 1 answer | 0

### 1

Question

How do I test Kendall Rank Correlation Coefficient in a matrix?
Hi all! So I have a matrix that is 76x4000 (76 rows, 4000 columns). I would like to test the Kendall Rank correlation coeffic...

6 years ago | 1 answer | 0

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Question

How do I compare two similar sized matrices?
Hi all! I have two 76x2000 matrices and I would like to compare them to see which one is always higher. What is the best way ...

6 years ago | 1 answer | 0

### 1

Question

How do I use the Mantel Test to test correlation between two matrices?
So I downloaded the Mantel Test function from https://figshare.com/articles/Mantel_test/1008724. I am wondering if anyone ha...

6 years ago | 1 answer | 0

### 1

Question

How do I compare two matrices on a table to see which one has a higher value?
Hi all, So my problem here is that I have two matrices, 76x2000 for both (lets call them A and B). What I want to do is to ha...

6 years ago | 1 answer | 0

### 1

Question

How do I shuffle a set of matrix to find the difference with another matrix?
Hi guys! So my problem now is that I have two sets of data, both in the form of a matrix of 76x2000. Lets call them A and B. ...

6 years ago | 1 answer | 0