How to normalize data ?

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Oman Wisni 2018-12-16

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https://ww2.mathworks.cn/matlabcentral/answers/435980-how-to-normalize-data

评论： Oman Wisni 2018-12-16

采纳的回答： Stephan

Hi, I have data with dimension 1x25, where

x = rand(1,25);

D = size(x,2);

I'm trying using this code, but the result is NaN. Please help me, to fix my code. Thanks

     for col = 1: D
         x(:,col)=double(x(:,col)-mean(x(:,col)));
     end
 
     for col = 1: D
         x(:,col)=double(x(:,col)/std(x(:,col)));
     end

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采纳的回答

Stephan 2018-12-16

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https://ww2.mathworks.cn/matlabcentral/answers/435980-how-to-normalize-data#answer_352627

x = rand(1,25);
x = (x-mean(x))/std(x)

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Stephan 2018-12-16

编辑：Stephan 2018-12-16

Which Matlab release do you use? In 2018b the result is a 220x1 vector.

Oman Wisni 2018-12-16

I used matlab R2015a

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