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Warning when using "Read AML" operator

KrafNKrafN Member Posts: 13 Contributor II
in Help
Whenever I use this operator to read some data set, I get the following warning message:

"DataRowFactory.string2Double(String): 'nan' is not a valid number!"


Could anyone help me out here on how this might be caused?

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    landland RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 2,531 Unicorn
    Hi,
    yes I can. The String "nan" is simply not a number. It can't parse it, also "nan" probably stands for "Not a Number" a value of double variables used by rapidminer to encode missing values internally.

    Greetings,
      Sebastian
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