Contains data from stover\dp2.dta obs: 1,848 Stover - DPOAE test data - see dpinit.do and -notes- vars: 6 22 Nov 1999 15:30 size: 35,112 (99.8% of memory free) (_dta has notes) ------------------------------------------------------------------------------- storage display value variable name type format label variable label ------------------------------------------------------------------------------- amt byte %12.0g audiometric threshold id int %8.0g subject ident. y double %5.1g test outcome (DP amplitude) l byte %8.0g * stimulus intensity (dB) f int %9.0g * stimulus frequency (Hz) d byte %9.0g ynlbl * hearing impairment (y/n) * indicated variables have notes ------------------------------------------------------------------------------- Sorted by: id l f ********************** value labels for variables with numeric codes: ynlbl: 0 no 1 yes ********************* notes: _dta: 1. see: Pepe M. Regression Analysis of ROC curves. Biometrics 54:124-135. 1998. 2. data published originally in: Stover L, Gorga MP, and Neely T. Torwards optimizing the clinical utility of distortion product otoacoustic emission measurements. Journal of the Acoustical Society of America 100:956-967. 1996. l: 1. the second of 2 intensities (l1,l2) corresponding to simultaneous stimulus sounds, where l1 - l2 is fixed at 10 dB f: 1. the higher of 2 frequencies (f1,f2) corresponding to simultaneous stimulus sounds, where f2/f1 is fixed at 1.2 d: 1. gold standard assessment of hearing status based on behaviorally determined hearing thresholds (i.e. amt in this dataset?)