Contains data from tosteson\tostbegg2.dta
  obs:            96                          Tosteston & Begg: Hepatic
                                                metastasis ultrasound study
 vars:             3                          6 Mar 2003 15:27
 size:           672 (99.9% of memory free)   (_dta has notes)
-------------------------------------------------------------------------------
              storage  display     value
variable name   type   format      label      variable label
-------------------------------------------------------------------------------
type            byte   %9.0g       type       primary cancer type
y               byte   %9.0g                * rating
d               byte   %9.0g       ynlbl      hepatic metastasis
                                            * indicated variables have notes
-------------------------------------------------------------------------------
Sorted by:  

**********************
value labels for variables with numeric codes:

type:
           0 Colon
           1 Breast
ynlbl:
           0 no
           1 yes

*********************
notes:

_dta:
  1.  Data reference: Tosteson AN, & CB Begg (1988). A general regression
      methodology for ROC curve estimation. Medical Decision Making 8, 204—15

y:
  1.  ultrasound assessment