setinputs adds new inputs into a transfer function model.
setinputs adds new inputs into a transfer function model.
## S3 method for class 'tfm'setinputs( mdl, xreg =NULL, inputs =NULL, y =NULL, envir = parent.frame(),...)setinputs(mdl,...)## S3 method for class 'um'setinputs(mdl, xreg =NULL, inputs =NULL, y =NULL, envir =NULL,...)