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For the given confusion matrix, what is the recall and precision of the model?
For the given confusion matrix, what is the recall and precision of the model? A . Recall = 0.92 Precision = 0.84B . Recall = 0.84 Precision = 0.8C . Recall = 0.92 Precision = 0.8D . Recall = 0.8 Precision = 0.92View AnswerAnswer: C Explanation: Recall and precision are...
Which solution should the agency consider?
An office security agency conducted a successful pilot using 100 cameras installed at key locations within the main office. Images from the cameras were uploaded to Amazon S3 and tagged using Amazon Rekognition, and the results were stored in Amazon ES. The agency is now looking to expand the pilot...
What should the Specialist do to initialize the model to re-train it with the custom data?
A Machine Learning Specialist is training a model to identify the make and model of vehicles in images The Specialist wants to use transfer learning and an existing model trained on images of general objects The Specialist collated a large custom dataset of pictures containing different vehicle makes and models....
Which method is the MOST repeatable and requires the LEAST amount of effort to achieve this?
A Machine Learning Specialist has built a model using Amazon SageMaker built-in algorithms and is not getting expected accurate results The Specialist wants to use hyperparameter optimization to increase the model's accuracy Which method is the MOST repeatable and requires the LEAST amount of effort to achieve this?A . Launch...
Which techniques can be used by the ML Specialist to improve this specific test error?
A Machine Learning Specialist is required to build a supervised image-recognition model to identify a cat. The ML Specialist performs pocsome tests and records the following results for a neural network-based image classifier: Total number of images available = 1,000 Test set images = 100 (constant test set) The ML...
How should the Data Science team configure the notebook instance placement to meet these requirements?
A Data Science team within a large company uses Amazon SageMaker notebooks to access data stored in Amazon S3 buckets. The IT Security team is concerned that internet-enabled notebook instances create a security vulnerability where malicious code running on the instances could compromise data privacy. The company mandates that all...
Which services are integrated with Amazon SageMaker to track this information?
A Machine Learning Specialist is configuring Amazon SageMaker so multiple Data Scientists can access notebooks, train models, and deploy endpoints. To ensure the best operational performance, the Specialist needs to be able to track how often the Scientists are deploying models, GPU and CPU utilization on the deployed SageMaker endpoints,...
Which of the following services can feed data to the MapReduce jobs?
A Machine Learning Specialist needs to move and transform data in preparation for training Some of the data needs to be processed in near-real time and other data can be moved hourly There are existing Amazon EMR MapReduce jobs to clean and feature engineering to perform on the data. Which...
Which of the following are required to access the bucket and avoid the access denied error?
An Amazon SageMaker notebook instance is launched into Amazon VPC. The SageMaker notebook references data contained in an Amazon S3 bucket in another account The bucket is encrypted using SSE-KMS The instance returns an access denied error when trying to access data in Amazon S3. Which of the following are...
What feature engineering and model development approach should the Specialist take with a dataset this large?
A Machine Learning Specialist is working with multiple data sources containing billions of records that need to be joined. What feature engineering and model development approach should the Specialist take with a dataset this large?A . Use an Amazon SageMaker notebook for both feature engineering and model developmentB . Use...
