• Validation of models with proporcional bias 

      SALVADOR MEDINA PERALTA; LUIS MANUEL VARGAS VILLAMIL; LUIS COLORADO MARTINEZ; JORGE AUGUSTO NAVARRO ALBERTO
      This paper presents extensions to Freese’s statistical method for model-validation when proportional bias (PB) is present in the predictions. The method is illustrated with data from a model that simulates grassland growth. ...