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Currently, I am working on multivariable regression problem data set and I came across a problem that my dataset have so many features with different features scale value and so google suggest me use mean normalization and feature scaling techniques but I don't understand which one we have to use mean normalization or feature scaling and why we are using mean normalization and feature scaling techniques simultaneously.?? and from where below formula derived .

x(i) = x(i) - mean(x) / std(x)

Tags: Feature, Mean, normalization, scaling.

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I recently wrote an article on this topic, see

Hope this helps,


Mean normalization is a technique for feature scaling



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