You may download the current R code on this site. If you use WORDFISH in your research, please cite:
Sven-Oliver Proksch and Jonathan B. Slapin (2009). WORDFISH: Scaling Software for Estimating Political Positions from Texts. Version 1.3 (22 January 2009), http://www.wordfish.org.
and
Jonathan B. Slapin and Sven-Oliver Proksch (2008). "A Scaling Model for Estimating Time-Series Party Positions from Texts", American Journal of Political Science 52(3): 705-722.
Wordfish Code
(Version 1.3, 22 January 2009)
WORDFISH is implemented in the R package AUSTIN (maintained by Will Lowe, MZES).
Note: The authors are collaborating on several papers and the order of names reflects the principle of rotation. Both authors have contributed equally to all work. Wordfish is licensed under the Gnu General Public License.