TY - CHAP TI - A Latent Variable Approach to Validate Credit Rating Systems using R AF - R Finance 2009 AF - A Latent Variable Approach to Validate Credit Rating Systems using R PP - Chicago PY - 2009-04-01 AU - GrĂ¼n, Bettina AU - Hofmarcher, Paul AU - Hornik, Kurt AU - Leitner, Christoph AU - Pichler, Stefan ER -