Advanced Analytics. Advanced Analytics What is Machine Learning?

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Presentation transcript:

Advanced Analytics

What is Machine Learning?

Common Examples Spam Email Filters Optical Character Recognition Coverage Risks Recommendations Fraud Detection Intrusion Detection Predictive Maintenance

Types of Machine Learning

Machine Learning Process

Machine Learning Algorithms Classification algorithms classify data into different categories that can then be used to predict one or more discrete variables, based on the other attributes in the dataset. Regression algorithms predict one or more continuous variables, such as profit or loss, based on other attributes in the dataset. Clustering algorithms determine natural groupings and patterns in datasets and are used to predict grouping classifications for a given variable.

Azure ML

Azure ML Studio

Demo: Creating an Azure Machine Learning experiment Creating a workspace Loading historical data Visualizing the data Splitting data into training and validation sets Training the model

Evaluating Models Receiver Operator Characteristic (ROC) curves Displays the fraction of true positives out of the total actual positives. The higher and further to the left, the more accurate the model is. Precision/Recall curves Precision represents the fraction of retrieved instances that are relevant. Recall represents the fraction of relevant instances that are retrieved. Lift curves This format is a variation on the ROC curve Measures the fraction of true positives, in relation to the target response probability.

Comparing Models

Demo: Refining the Model Score the model Evaluate the model Comparing models

Demo: Publish and Consume the Model Creating the web service Testing the web service Calling RRS service from a client app Batch execution

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