Micha? Kowalczyk


Actif depuis 2011

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Inf in rankfeatures functuin results
Good evening. I have a question about rankfeatures function: if I find in my results an Inf value, should I treat it as a ve...

plus de 12 ans il y a | 1 réponse | 0

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Machine learning and data normalization - how data should(?) be normalized.
Hello, I have a general question about data normalization for classification algorithms: if I have a training set and a testing...

plus de 12 ans il y a | 2 réponses | 0

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How to make matrix a possitive definite
Hi Everyone, I have a problem with classification. I have 39 samples of training data (39x10935) and 347 samples of testing da...

plus de 13 ans il y a | 3 réponses | 0

3

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Standarization before feature selection
Hi Everyone, I have a general question: Is it necessary to standarize (e.g. zscore) the data before feature selection? And if ...

plus de 13 ans il y a | 1 réponse | 0

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PCA: number of attributes much bigger than number of data samples
Hello, I would like to apply PCA analysis to data in which I have 100 samples, each of them represented by 10000 variables. So...

plus de 13 ans il y a | 2 réponses | 0

2

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