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I am planning to use initial values that are {0, 1}. How do we ensure or how does NMF ensure that the final values are also in the [0,1] range.

What if we want to model a matrix of frequencies of connections of two items. Then how do the final values after NMF change, what would their range be.

Thanks in advance.

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    $\begingroup$ NMF is a constrained minimization (>=0). If you want your values to be between [0,1], then constrain from above as well. $\endgroup$
    – Alex R.
    Aug 3 '17 at 18:31
  • $\begingroup$ I am fairly new to this subject. How may I apply a constraint in optimization process? Is there a good source for it? $\endgroup$
    – mgokhanbakal
    Aug 3 '17 at 19:02

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