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Effective Amazon Machine Learning by Alexis Perrier

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Interpreting prediction outputs

The output of the Amazon ML prediction job will consists of two files: the manifest file and the actual prediction results given in a compressed CSV file. Amazon ML will create the files on S3 in an S3 location, s3://bucket/folder, which you must specify. We use the same path as our data path: s3://aml.packt/data/. Amazon ML will create a /batch_prediction folder, where it will write the manifest file as well as an extra subfolder /results, where the CSV file with the actual predictions will be written. To recap, in our context, the manifest file will be in the  s3://aml.packt/data/batch_prediction folder, and the compressed CSV results file will be in the s3://aml.packt/data/batch_prediction/results/ folder. ...

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