1. What is Perspective
3. Overview
4. 1. Data Architecture
5. 1. 1.1. Client-only
   2. 1.2. Client/Server replicated
   3. 1.3. Server only
6. 2. Table
7. 1. 2.1. Construct an empty Table from a schema
   2. 2.2. Schema and column types
   3. 2.3. Loading data
   4. 2.4. index and limit options
   5. 2.5. update() and remove() streaming methods
   6. 2.6. clear() and replace() start-over methods
8. 3. View
9. 1. 3.1. Querying data
   2. 1. 3.1.1. group_by
      2. 3.1.2. split_by
      3. 3.1.3. aggregates
      4. 3.1.4. columns
      5. 3.1.5. sort
      6. 3.1.6. filter
      7. 3.1.7. expressions
   3. 3.2. Flattening a View into a Table
10. 4. JavaScript
11. 1. 4.1. Module Structure
    2. 4.2. Build options
12. 5. Python
14. Getting Started
15. 6. Rust
16. 7. JavaScript
17. 1. 7.1. Installation via NPM
    2. 7.2. Importing with or without a bundler
    3. 7.3. perspective data engine library
    4. 1. 7.3.1. Serializing data
       2. 7.3.2. Cleaning up resources
       3. 7.3.3. Hosting a WebSocketServer in Node.js
    5. 7.4. perspective-viewer Custom Element library
    6. 1. 7.4.1. Theming
       2. 7.4.2. Loading data from a Table
       3. 7.4.3. Loading data from a virtual Table
       4. 7.4.4. Saving and restoring UI state
       5. 7.4.5. Listening for events
18. 8. Python
19. 1. 8.1. Installation
    2. 8.2. Loading data into a Table
    3. 8.3. Callbacks and events
    4. 8.4. Multithreading
    5. 8.5. Hosting a WebSocket server
    6. 8.6. PerspectiveWidget for JupyterLab
    7. 8.7. Tutorial: A tornado server with virtual perspective-viewer
21. API
22. 9. Crate documentation on docs.rs