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Same MSE for different crossValidate methods #49

@avaruuser

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@avaruuser

I switched from python's sklearn NMF to your implementation because of the improved speed and convenient cross-validation. This also means I'm fairly new to R and I'm sorry if my question is obvious.

I have a dataset with 500000 features and 734 observations. I ran crossValidate() with methods 'predict', 'robust', and 'impute' for 2:10 components with ten repetitions each and the same random seed (everything else was default settings). The resulting MSE's were exactly the same across methods, which I believe shouldn't be the case despite using the same random seed. Any ideas why this might happen?

Thank you for developing this amazing package!

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