---
title: DDI on Rails
slug: ddionrails
description: <p>General purpose data portal with a focus on panel data.
  Used in production on <a href="https://paneldata.org">paneldata.org</a>.</p>
website: http://www.ddionrails.org
subjects:
- social-and-behavioral-sciences
disciplines:
- planning-urban-rural-and-regional
- sociology
- statistics
- economics
- health-policy
- demography
- politics
standards:
- ddi-data-documentation-initiative
layout: tool
type: tool
---


---
title: DDI on Rails
slug: ddionrails
description: |
  <p>Server-side software for building a data portal, with a particular
  focus on survey datasets. It uses DDI to provide access to the data at
  the level of concepts and variables. For an example of it in use, see
  the <a href="https://paneldata.org/">SOEPinfo data portal</a>.</p>
website: http://www.ddionrails.org/
subjects:
- social-and-behavioral-sciences
disciplines:
- planning-urban-rural-and-regional
- sociology
- statistics
- economics
- health-policy
- demography
- politics
standards:
- ddi-data-documentation-initiative
layout: tool
type: tool
---


Expand description of DDI on Rails.
Expand description of DDI on Rails.
