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DP-100T01: Designing and Implementing a Data Science Solution on Azure Quiz Questions and Answers

Answer :
  • Create a tabular dataset that references the datastore and explicitly specifies each 'sales/mm-yyyy/sales.csv' file. Register the dataset with the name sales_dataset each month as a new version and with a tag named month indicating the month and year it was registered. Use this dataset for all experiments, identifying the version to be used based on the month tag as necessary.

Explanation :

Specify the path. Example: The following code gets the workspace existing workspace and the desired datastore by name. And then passes the datastore and file locations to the path parameter to create a new TabularDataset, weather_ds. from azureml.core import Workspace, Datastore, Dataset datastore_name = 'your datastore name' # get existing workspace workspace = Workspace.from_config() # retrieve an existing datastore in the workspace by name datastore = Datastore.get(workspace, datastore_name) # create a TabularDataset from 3 file paths in datastore datastore_paths = [(datastore, 'weather/2018/11.csv'), (datastore, 'weather/2018/12.csv'), (datastore, 'weather/2019/*.csv')] weather_ds = Dataset.Tabular.from_delimited_files(path=datastore_paths)
Answer :
  • Java
  • C#

Explanation :

Azure Machine Learning supports Python and R as the primary languages for creating machine learning models. While it is possible to use other languages such as Java or C#, they are not natively supported.
Answer :
  • Individual fairness focuses on the accuracy of predictions, while group fairness focuses on the fairness of predictions across different groups.

Explanation :

Individual fairness focuses on ensuring that similar individuals are treated similarly by the model, while group fairness focuses on ensuring that different groups are treated fairly by the model.
Answer :
  • It may not find the optimal hyperparameters

Explanation :

Random search is a simple and easy-to-implement method for hyperparameter tuning, but it may not find the optimal hyperparameters and can be less efficient than other methods.
Answer :
  • Grid Search

Explanation :

Grid Search is a common method used for hyperparameter tuning where a grid of hyperparameters is defined, and the model is trained and evaluated for each combination.