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Dealing with NaN Values

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Giorgia Fusaroli
Giorgia Fusaroli on 30 Sep 2021
Commented: Alan Stevens on 30 Sep 2021
Hi everybody,
i need help because i can't understand why my code's output is a NaN vector.
I have a matrix of data (135000x8) with no NaN elements, i checked by
find (data == NaN)
and the results was an empy matrix.
But the output of
mean (data, 1)
is a vector (1x8) of NaN values.
Someone can help me in understanding why ??
p.s. i run the same code for various different data and for them was ok.
Thank you in advance !

Answers (1)

Alan Stevens
Alan Stevens on 30 Sep 2021
Try
find(isnan(data))
  2 Comments
Alan Stevens
Alan Stevens on 30 Sep 2021
Depends what you want to do with the data matrix! You might possibly replace them with zeros, say, or some other number that won't affect what you are going to do with data.

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