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SungJun Cho


Last seen: 2 years ago |  Active since 2021

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Clarifications on Dunn-Sidak Approach in multcompare.m
Hi all, I am trying to perform the Dunn's test as a non-parametric post hoc multiple comparison test based on the statistical r...

3 years ago | 0 answers | 0

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answers

Answered
Define a variable?
The red underline occurs when you have not preallocated your array (or matrix). You can just do k = zeros(1,n); for i = 1:n ...

3 years ago | 0

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Question


Understanding CWT Morlet: Time and frequency resolution
Hello all, I have been using a continuous 1-D wavelet transform (MATLAB cwt function) to compute and plot wavelet scalograms. F...

3 years ago | 1 answer | 0

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answer

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how to count the number of occurrences of these numbers (with some conditions)
Hi, The code below should solve your problem. A(1,:) = [1,2,5,2,1,2]; A(2,:) = [0,1,1,0,1,0]; uA = unique(A(1,:)); answ...

3 years ago | 0

Answered
Pre-allocation issue non existent before
First of all, when I ran your code, Avg_saving outputs 1 x 200 double array, so you might want to preallocate the arrays in righ...

3 years ago | 0

Answered
how do I put arrays into a for loop
To calculate the mean of the first N elements of an array, you can use mean_y1 = mean(y1(1:N)); However, you may import a .ma...

3 years ago | 0

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Answered
Changing a a value in table column dependent on another column.
You can just do e = [ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 78 78 78 78 78 78 78 78 78 78]; e = e'; d = [ 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

3 years ago | 0

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Answered
Find the index range of ones/trues?
I made a brief function that gives you a two-column matrix of the start and end indices when a logical vector is given as an inp...

3 years ago | 0

Answered
how to extract data from .mat file?
If you want to extract first 10000 elements from the x, you can just do extracted_x = x(:,:,1:10000); % Or if you want specifi...

3 years ago | 0

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Answered
How to know which loop is being calculated?
Hello, To find out which step the loop is processing, you can always click pause and check "k" and "j". However, you can also ...

3 years ago | 0

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Answered
Morlet wavelet: what is the difference between 'morl' and 'amor' wavelets?
Hi Maja, It seems quite late to answer your question, but to simply put, the difference between 'morl' and 'amor' wavelets lies...

3 years ago | 1