Lesson 2.5 Activity Q1

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michael...@ul.ie

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Jul 8, 2014, 9:33:31 AM7/8/14
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Its probably something blindingly obvious I'm just missing but in Q1 of the activity associated with Lesson 2.5 what value from the reports of the cross-evals should I be looking at? The correctly identified/incorrectly identified values from each run doesn't match the answer range 

Gabriel Santos

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Jul 8, 2014, 12:33:37 PM7/8/14
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Hi Michael,

You have to load the iris dataset and then go to Classify. In Classify, select ZeroR as your Classifier and make sure the cross-validation is selected. You have to perform 6 operations with different number of folds (10 to 15)

Each operation will give you a result in the Result list (lower left box). The value you should look after is the "Correctly Classified Instances" percentage. If Weka gives you 4 digits of precision, you have to mentally do the rounding to the nearest integer value. Look for the minimum and maximum values and you get the answer.

Good luck!

Gabriel Santos
Macau
Community TA

michael...@ul.ie

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Jul 9, 2014, 3:58:32 AM7/9/14
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Thanks for the help I was mixing up things in my head
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