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Experiment flow

The flow of an H2O Hydrogen Torch experiment can be described and summarized in the following sequential steps:

In the below sections, each step, in turn, is explained in detail.

Step 1: Import dataset

H2O Hydrogen Torch supports diverse problem types in computer vision and natural language. As a requirement, H2O Hydrogen Torch requires the dataset for an experiment to be preprocessed to follow a certain dataset format for the problem type the experiment aims to solve.

  • To learn how to import your own preprocessed dataset, see Data Connectors.

  • To learn more about dataset formats, see Dataset Formats.

  • H2O Hydrogen Torch offers access to an array of preprocessed datasets to highlight all supported problem types, but in particular, they are offered as a reference to understand better the format a dataset needs to follow for a given experiment problem type. To learn how to access one of the preprocessed datasets in H2O Hydrogen Torch, see Preprocessed datasets.

Step 2: Train experiment

Each problem type offers several hyperparameters that you can adjust for model training. H2O Hydrogen Torch also provides the ability to enable Grid Search for a given experiment to tune and experiment on specific hyperparameters.

Through simple interactive graphs, data scientists can understand the impact of selected hyperparameter values during and after the model's training process.

  • To learn about available simple and interactive graphs, see Charts.

Step 3: Inspect & Deploy

After understanding and inspecting a built model, you can score new data on a built model (experiment) that generates downloadable predictions. You can also deploy a built model easily to any external Python environment or directly to H2O MLOps. You can also use the H2O Hydrogen Torch UI to score new data.

  • To learn how to deploy built models to external Python environments, see Python Environment.

    Note

    H2O Hydrogen Torch offers a standalone Python Scoring Pipeline running on Linux-based systems.

  • To learn how to deploy built models directly to H2O MLOps, see H2O MLOps.

  • To learn how to score on new data using the H2O Hydrogen Torch UI, see H2O Hydrogen Torch UI (Predict Data).


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