iskandr/fancyimpute

Does the input matrix need to be normalized?

Closed this issue · 2 comments

zwtInBuaa commented

Does the input matrix need to be normalized?
When I use MatrixFactorization() with the matrix without normalization(all the data in this matrix are lower than 1000.0), it just shows the problem:
截屏2023-12-07 02 19 55
what should I do to solve this problem?

djx99 commented

Hi, did you fix it?

sergeyf commented

Sorry, we are only fixing bugs. This is not a bug. It's inconvenient, but not a bug. You can normalize yourself with one of these: https://github.com/iskandr/fancyimpute/blob/master/fancyimpute/scaler.py

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