Data

Aggregate Data

Updated Data (v3.0), Released July 2014

  • Years: 1993-2013
  • 1,695 chamber years of data
  • Big holes in previous data filled (especially in 2009-2011)
  • Significant improvement in data reliability

Updated Data (v2.0), Released May 2013

  • Years: 1993-2011
  • 1,353 chamber years of data
  • Nebraska party data enabled thanks to Seth Masket
  • Data is considerably cleaner and less noisy

APSR Article Data (v1.0) Released January 2012 

  • Years: 1993-2011
  • 1,213 chamber years of data
  • Replication data for APSR article

Individual Level Data

 

Updated Data, Released July 2014

 

  • Years: 1993-2013
  • Observations: 20,198¬†state legislators

Updated Data, Released May 2013

  • Years: 1993-2011
  • Observations: 18,189 state legislators