https://github.com/bigmlcom/flatline

Documentation, examples and utilities for Flatlline, BigML's dataset transformation and generation language
https://github.com/bigmlcom/flatline

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Documentation, examples and utilities for Flatlline, BigML's dataset transformation and generation language

• Host: GitHub
• URL: https://github.com/bigmlcom/flatline
• Owner: bigmlcom
• License: other
• Created: 2013-12-30T17:32:40.000Z (over 12 years ago)
• Default Branch: master
• Last Pushed: 2025-03-18T18:15:56.000Z (about 1 year ago)
• Last Synced: 2025-03-18T18:47:30.505Z (about 1 year ago)
• Language: Jupyter Notebook
• Homepage: http://bigmlcom.github.io/flatline
• Size: 915 KB
• Stars: 26
• Watchers: 13
• Forks: 13
• Open Issues: 0
• Metadata Files:
  • Readme: readme.md
  • License: license

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README

          
[![Documentation Status](https://readthedocs.org/projects/flatline/badge/?version=latest)](http://flatline.readthedocs.io/en/latest/?badge=latest)

# Flatline, a language for data generation and filtering

Flatline is a lispy language for the specification of values to be

extracted or generated from an input dataset, using a finite sliding

window of input rows.

In BigML, it is used either as a row filter specifier or as a field

generator.

In the former case, the input consists of dataset rows on which a

single, boolean expression is computed, and only those for which the

result is true are kept in the output dataset.

When used to generate new datasets from given ones, a list of Flatline

expressions is provided, each one generating either a value or a list

of values, which are then concatenated together to conform the output

rows (each value representing therefore a field in the generated

dataset).

## Documentation

  - [Flatline's user manual](docs/user-manual.rst).

  - [Quick reference](docs/quick-reference.rst) with all pre-defined

    functions.

  - Or see the HTML version in

    [Read the Docs](http://flatline.readthedocs.io/en/latest/?badge=latest).

## Local interpreters

### Javascript and Node.js

We include in [js](./js) Flatline interpreters implemented in

Javascript (compiled by Clojurescript from our canonical server-side

implementation) that you can use from your browser or from a nodejs

session.

### Python

The [python directory](./python) contains a small Python library that

wraps the nodejs interpreter and lets you interact with it using

Python.  See its [README](./python/README.md) for more information,

including access to an iPython sample notebook.

## License


Flatline reference documentation by BigML Inc is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

All code in this repository is released under the Apache License 2.0.