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Selection of data into confusion matrix

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Selection of data into confusion matrix

Postby Guest » Mon Nov 05, 2007 21:14

I make a test learner on CN2, and then put it in the confusion matrix. i need to select the data in he box up on the right: i click on it, but it gives me this error.

Unhandled exception of type occured at 21:12:18:
Traceback:
File: orngSignalManager.py in line 60
Function name: __call__
Code: self.method(*k)
File: OWConfusionMatrix.py in line 231
Function name: sendIf
Code: self.sendData()
File: OWConfusionMatrix.py in line 259
Function name: sendData
Code: data = orange.ExampleTable(domain, data)
Exception type:
Exception value: 'orange.Example': the value of meta attribute
'øm !N "N X"N ' is missing

Can you help me?

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