How can I use the PREMNMX function within the Neural Networks Toolbox to scale my data between 0 and 1, rather than -1 and 1?
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I would like to use the PREMNMX function within Neural Networks Toolbox to scale my data between 0 and 1, rather than -1 and 1.
Accepted Answer
MathWorks Support Team
on 28 Feb 2011
This can be achieved by scaling the data returned from the PREMNMX function. For example, if you want the data in the vector "X" to be scaled between 0 and 1, rather than -1 and 1, use the following code:
x = premnmx(X);
y = (x+1)/2
In general, if you want the data in "X" to be scaled between "a" and "b", use the generalized code:
x = premnmx(X);
y = (x+1)*(b-a)/2+a
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