Contains data from leisenring\lplaudio_b.dta
  obs:         3,152                          see lplinit.do
 vars:             8                          16 Jun 2003 11:50
 size:        59,888 (99.7% of memory free)   (_dta has notes)
-------------------------------------------------------------------------------
              storage  display     value
variable name   type   format      label      variable label
-------------------------------------------------------------------------------
cid             int    %8.0g                  
ear             byte   %8.0g                  
test            byte   %8.0g       testl      testl
loc             byte   %8.0g       loc        location
age             float  %9.0g                  age in weeks
d               byte   %8.0g       ynlbl      hearing impairment
sev             float  %9.0g                  severity: audio threshold dB
y               byte   %8.0g       posneglb   test result
-------------------------------------------------------------------------------
Sorted by:  

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

testl:
           1 B
           2 A
           3 C
loc:
           0 room
           1 booth
ynlbl:
           0 no
           1 yes
posneglb:
           0 neg
           1 pos

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

_dta:
  1.  Data references:
  2.  Leisenring W, Pepe MS, Longton G (1997). A marginal regression modelling
      framework for evaluating medical diagnostic tests. Statistics in Medicine
      16:1263-81.