How do I replace (or remove) <undefined> with NaN in a categorical array ?
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Douglas Leaffer
le 8 Déc 2022
Commenté : Douglas Leaffer
le 9 Déc 2022
How do I replace (or remove) <undefined> with NaN in a categorical array ? .dat file excerpt is attached. Thanks for any help !
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Cris LaPierre
le 8 Déc 2022
<undefined> is the value used for a missing categorical entry. NaN is for missing numerical values.
You can replace missing values using fillmissing
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Cris LaPierre
le 8 Déc 2022
Modifié(e) : Cris LaPierre
le 8 Déc 2022
Your table variable source is of type categorical, so you must use a valid categorical data type, which is categorial, char array, or string.
- categorical(0)
- "0"
- "None"
Here is an example that uses "None"
load Table4excerpt.mat
T41.source = fillmissing(T41.source,'constant',"None")
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