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statistics in Extract Macro

I have a problem while doing the challenge in Rapidminer tutorial "Looping, Branching and Appending." I use min in statistics in Extract Macro to get minimum sample size (which is 277), the problem occured. It shows: The value '277.0' for the parameter 'condition_value' cannot be used: java.lang.NumberFormatException: for input string: "277.0". The specified value is not possible for this parameter. Please set a proper parameter value. Can anyone help me with this? Thanks!

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Accepted answers

hmhsing

It worked when I add Generate Macro operator with round(eval(%{macro name defined in Extract Macro})) in functions expressions.

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singh_ay

Facing exactly same issue, I even tried the GENERATE MACRO OPERTOR to "eval" but of no use.

Thomas_Ott

Would you please share the XML, I can take a look at it.

hmhsing

It worked when I add Generate Macro operator with round(eval(%{macro name defined in Extract Macro})) in functions expressions.

Thomas_Ott

Awesome! great to hear!