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How to use classification Learner in my environment?
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I am working on facial expression recognition. i made a dataset contain features & classes of 213 images.
- Step1: Each row of my dataset represents the features of 1 image. so for 213 images 213 rows
- Step2: the last column represents classes like; 1,2,3,4,5,6,7
- Q1: when i run classification learner and the cross validation is checked the accuracy is very low.
- Q2: when i run classification learner and the cross validation is not checked the accuracy is good for all classifiers.
- I dont understand why? please help me? if someone has already experienced
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