Document, store and published metadata covering study level, data files and variables.
Use international standard for documenting surveys using Data Documentation Initiative (DDI)
Fulltext keyword search and facets for filtering data in the catalog
A REST API for searching and browsing the data in the catalog
Responsive Bootstrap4 site theme that you can extend to personalize for your catalog
Site administration to manage the catalog, users and data requests
NADA 5.0.3 is now available, please visit our Github page. This is a minor release with the following updates. If you are using NADA 5, you can use the patch provided here to upgrade to the latest version.
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NADA 4.4 is the latest official release and requires at least PHP 5.3 or above to run. We strongly recommend that you use PHP 5.5 or later with the MySQL 5.x database.
The current release fixes issues related to PHP 5.6 and file uploads for resources. In newer versions of Chrome and other browsers, Flash is disabled by default which...
NADA requires PHP and a MySQL database.
The minimum required version is PHP 7.0 but we strongly recommend that you use PHP 7.2 or later. The following PHP extensions are required for NADA:
