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MLContext is the starting point for all ML.NET applications.
varcontext=newMLContext(seed:1);
Define training pipeline
Concatenate: Takes the input column X and creates a feature vector in the Features column.
Regression: Defines the task AutoML needs to find the best algorithm and hyperparameters for. In this case, Lbfgs, Sdca, and FastForest algorithms won't be explored since their respective parameters are set to false.
The notebook monitor provides visualizations of the training progress as AutoML tries to find the best model for your data.
varmonitor=newNotebookMonitor();
Initialize AutoML Experiment
An AutoML experiment is a collection of trials in which algorithms are explored.
varexperiment=context.Auto().CreateExperiment();
Configure AutoML Experiment
The AutoML experiment tries to find the best algorithm using an evaluation metric. In this case, the evaluation metric selected is Root Mean Squared Error. The goal is to find the optimal evaluation metric in the provided training time which is set to 30 seconds. The longer you train, the more algorithms and hyperparameters AutoML is able to explore. The training set is the dataset that AutoML uses to train the model and the test set is used to calculate the evaluation metric to see how well a particular model selected by AutoML performs.
NotebookMonitor: Display evaluation metric for best trial, active trial, and y-axis on graph.
When adding feeds, add link to document on how to reference them in VS / dotnet CLI
When installing NuGet packages that are not part of the BCL, list them in a Markdown cell where the packages are installed, and add a link to NuGet. (i.e. Microsoft.ML).
The text was updated successfully, but these errors were encountered:
mlContext.Data.TrainTestSplit(data,testFraction: 0.2)
)Example
Original
Update
Initialize MLContext
MLContext
is the starting point for all ML.NET applications.Define training pipeline
Concatenate
: Takes the input column X and creates a feature vector in the Features column.Regression
: Defines the task AutoML needs to find the best algorithm and hyperparameters for. In this case, Lbfgs, Sdca, and FastForest algorithms won't be explored since their respective parameters are set tofalse
.Initialize Monitor
The notebook monitor provides visualizations of the training progress as AutoML tries to find the best model for your data.
Initialize AutoML Experiment
An AutoML experiment is a collection of trials in which algorithms are explored.
Configure AutoML Experiment
The AutoML experiment tries to find the best algorithm using an evaluation metric. In this case, the evaluation metric selected is Root Mean Squared Error. The goal is to find the optimal evaluation metric in the provided training time which is set to 30 seconds. The longer you train, the more algorithms and hyperparameters AutoML is able to explore. The training set is the dataset that AutoML uses to train the model and the test set is used to calculate the evaluation metric to see how well a particular model selected by AutoML performs.
Set monitor to display
Run AutoML experiment
The text was updated successfully, but these errors were encountered: