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model.evaluate is giving good accuracy and loss, but the confusion matrix & ROC is off
Aug. 1, 2022, 5 p.m. | /u/WhyNotML
Deep Learning www.reddit.com
​
`testing_datagen = ImageDataGenerator(rescale=1/255)`
`testing_generator = testing_datagen.flow_from_directory(`
`TESTINGDIR,`
`classes = ['anomaly', 'normal'],`
`batch_size=1,`
`class_mode='binary',`
`shuffle=True`
`,color_mode="rgb")`
​
`model.evaluate(testing_generator)`
`STEP_SIZE_TEST=testing_generator.n//testing_generator.batch_size`
`testing_generator.reset()`
`preds = …
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