Overview¶
Welcome to the H2O documentation site! Select a learning path from the sidebar or browse through the full content outline below.
We’re excited you’re interesting in learning more about H2O. If you have questions or ideas to share, please post them to the H2O community site on Stack Overflow.
Additional resources¶
The following are additional resources to learn more information about H2O:
Keep up to date with the latest H2O blogs.
Explore Awesome H2O to review projects, applications, research papers, tutorials, courses, and books that use H2O.
Learn about securing your installation by following H2O’s security guidelines.
Recent Changes
User Guide
- Data Manipulation
- Uploading a File
- Importing a File
- Importing Multiple Files
- Downloading data
- Changing the Column Type
- Combining Columns from Two Datasets
- Combining Rows from Two Datasets
- Fill NAs
- Group By
- Imputing Data
- Merging Two Datasets
- Pivoting Tables
- Replacing Values in a Frame
- Slicing Columns
- Slicing Rows
- Sorting Columns
- Splitting Datasets into Training/Testing/Validating
- Tokenize Strings
- Feature Engineering
- Variable Importance
- Training Data Terminology
- Decision Tree Terminology
- Decision Tree Representations
- Building a Decision Tree
- Splitting Based on Squared Error
- Feature Importance (aka Variable Importance) Plots
- Variable Importance Calculation (GBM & DRF)
- Tree-Based Algorithms
- Non-Tree-Based Algorithms
- Retrieving Variable Importance in H2O-3
- References