Replace NAN in matrix with empty cells and reshape to matrix

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Stef
Stef 2018-6-27
评论： Stef 2018-6-28
I have a matrix X with several NAN values. I want replace the NAN with just blank cells, not zeros. Then I want to end up with a matrix. The problem is that it reshapes the matrix when I use this code
X(isnan(X))=[];
How can I replace the NAN with blanks and end up with the same matrix?
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Guillaume
Guillaume 2018-6-28
Then use functions that ignore nans by e.g. using the 'omitnan' of mean (or sum, or ...) in your analysis. Without more details of your analysis it's difficult for us to give you advice.
Stef
Stef 2018-6-28
My analysis is a support vector machine and the matrix is the data which is split in train and testdata. Does omitnan keep the observation of other features or delete the whole row?

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