When training a model, why should you split the data rows into separate subsets?
Answer(s): C
You need to predict the income range of a given customer by using the following dataset.Which two fields should you use as features? Each correct answer presents a complete solution.Note: Each correct selection is worth one point.
Answer(s): A,C
First Name, Last Name, Age and Education Level are features. Income range is a label (what you want to predict). First Name and Last Name are irrelevant in that they have no bearing on income. Age and Education level are the features you should use.
HOTSPOT (Drag and Drop is not supported)For each of the following statements, select Yes if the statement is true. Otherwise, select No.Note: Each correct selection is worth one point.Hot Area:
Answer(s): A
Clustering is a machine learning task that is used to group instances of data into clusters that contain similar characteristics. Clustering can also be used to identify relationships in a datasetRegression is a machine learning task that is used to predict the value of the label from a set of related features.
https://docs.microsoft.com/en-us/dotnet/machine-learning/resources/tasks
Box 1: NoThe validation dataset is different from the test dataset that is held back from the training of the model.Box 2: YesA validation dataset is a sample of data that is used to give an estimate of model skill while tuning model's hyperparameters.Box 3: NoThe Test Dataset, not the validation set, used for this. The Test Dataset is a sample of data used to provide an unbiased evaluation of a final model fit on the training dataset.
https://machinelearningmastery.com/difference-test-validation-datasets/
HOTSPOT (Drag and Drop is not supported)Select the answer that correctly completes the sentence.Hot Area:
Regression is a machine learning task that is used to predict the value of the label from a set of related features.
https://docs.microsoft.com/en-us/dotnet/machine-learning/resources/tasks https://learn.microsoft.com/en-us/training/modules/create-regression-model-azure-machine-learning-designer/
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