How to identify the number of missing values in each attribute?

DezmoDezmo Member Posts: 1 image Learner I
edited May 2020 in Help
What Operator do I need to use to identify the number of missing values in each attribute?
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Answers

  • David_ADavid_A Administrator, Moderator, Employee-RapidMiner, RMResearcher, Member Posts: 297 image RM Research
    edited May 2020
    Hi @Dezmo ,

    if you want to get the number of missing values for all attributes the Extract Statistics operator from the Operator Toolbox extension is what you are looking for.
    Alternatively you can use the Extract Macro operator (for applying on a single attribute). Here you have to select macro type to statistics and then select the statistics type unknown,

    Best,
    David
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