Why delete columns whose output value is NaN not correct?

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jenifer Ask
jenifer Ask le 31 Déc 2019
Why delete columns whose output value is NaN not correct?
Why delete columns whose output value is NaN not correct?
2400*10350
(2400 images) (10350 features)
clear all
load ('Vactor1-100')
A=FeatureVector;
Out1 = A(:,~any(isnan(A),1));
my output is [] WHY?
  2 commentaires
Vladimir Sovkov
Vladimir Sovkov le 31 Déc 2019
Probably, all the columns of your matrix contain at least one NaN each...
jenifer Ask
jenifer Ask le 31 Déc 2019
Question 1:
How do I delete the values of all rows that are NaN?
Question 2:
How to replace 0 values of all rows that are NaN?

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Réponse acceptée

Walter Roberson
Walter Roberson le 31 Déc 2019
1)
Out1 = A(~any(isnan(A),2), :);
2)
Out1 = fillmissing(A, 'constant', 0);

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