MATLAB: How to get standardized values from the given array of of normalized values

machine learningMATLABnormalizationscalingstandardization

I have a few PSD (Power Spectral Density) values exported from an excel sheet and all of them are normalized values. How to get standardized values from them.

Best Answer

I couldn't find any direct function for this. I suggest the following workaround: Convert your normalized values to actual values using MATLAB function

normalized2actual

Find the documentation here .

Once you have the actual data, you can have the zscore(standardized values) using

zscore

Find the documentation here .

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MATLAB: Normalizing data

Dear John,

Lets say you have matrix D and you want to normalize each value of Column to unit length (between 0-1). One possible way is :

D = bsxfun(@rdivide,D,sum(D));

each column will be unit normalized. If you take the sum of each column it will be one.

sum(D)

Do let me know if I understand you correct.

MATLAB: How to find auto-correlation of a matrix size 12×256

Have a look at corrmatx function.

X = corrmtx(x,m,'method');

Ref: https://ch.mathworks.com/help/signal/ref/corrmtx.html

Best Answer

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MATLAB: Normalizing data

MATLAB: How to find auto-correlation of a matrix size 12×256

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