Question
Hello, I have normalized my data with mapminmax which gives values between -1 and 1. However, when I present new inputs to my network, knowing that the max of these is greater than the maximum of the training data, I will have As the normalization interval [-1,1.5]. what do you think ?
Expert Answer
Kshitij Singh
PhD Expert
Answered Aug 26, 2026
You do not HAVE to normalize anything because the neural net AUTOMATICALLY normalizes input and target to [-1,1].
HOWEVER, I RECOMMEND USING MAPSTD BEFORE TRAINING in order to detect and either modify or remove outliers.
My advice:
1. Size input and target matrices 2. Plot x, t, and t vs x 3. Apply MAPSTD to deal with outliers 4. If outliers are modified or removed, replot the affected variables. 5. Train and obtain e = t-y 6. plot y & t and e
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