r various versions of UNF can be found elsewhere online. The algorithm is described in general terms <a href="http://guides.dataverse.org/en/latest/developers/unf/index.html">here</a> and one can also find more specific descriptions of the <a href="http://guides.dataverse.org/en/latest/developers/unf/unf-v3.html">Version 3/4</a>, <a href="http://guides.dataverse.org/en/latest/developers/unf/unf-v5.html">Version 5</a> and <a href="http://guides.dataverse.org/en/latest/developers/unf/unf-v6.html">Version 6</a