## S3 method for class 'coefEstEval':
roots(obj, criterion.args=NULL, ...)
## S3 method for class 'rootsEstEval':
roots(obj, ...)
## S3 method for class 'TSestModelEstEval':
roots(obj, criterion.args=NULL, ...)
## S3 method for class 'TSmodelEstEval':
roots(obj, criterion.args=list(randomize = TRUE), ...)EstEval.roots
stability
EstEval