JSS special volume

Journal of Statistical Software, Volume 48, May 2012

• Florian Wickelmaier, Carolin Strobl, Achim Zeileis
  Psychoco: Psychometric Computing in R
• Yves Rosseel
  lavaan: An R Package for Structural Equation Modeling
• Armin Monecke, Friedrich Leisch
  semPLS: Structural Equation Modeling Using Partial Least Squares
• Sacha Epskamp, Angélique O. J. Cramer, Lourens J. Waldorp, Verena D. Schmittmann, Denny Borsboom
  qgraph: Network Visualizations of Relationships in Psychometric Data
• L. Andries van der Ark
  New Developments in Mokken Scale Analysis in R
• R. Philip Chalmers
  mirt: A Multidimensional Item Response Theory Package for the R Environment
• Hannah Frick, Carolin Strobl, Friedrich Leisch, Achim Zeileis
  Flexible Rasch Mixture Models with Package psychomix
• David Magis, Gilles Raîche
  Random Generation of Response Patterns under Computerized Adaptive Testing with the R Package catR
• Heather Turner, David Firth
  Bradley-Terry Models in R: The BradleyTerry2 Package
• Reinhold Hatzinger, Regina Dittrich
  prefmod: An R Package for Modeling Preferences Based on Paired Comparisons, Rankings, or Ratings
• Bettina Grün, Ioannis Kosmidis, Achim Zeileis
  Extended Beta Regression in R: Shaken, Stirred, Mixed, and Partitioned
• Paul De Boeck, Ivailo Partchev
  IRTrees: Tree-Based Item Response Models of the GLMM Family