You might want to consider Lin's concordance coefficient and Bland &
Altman plots.
findit concordance yields:
Search of official help files, FAQs, and STBs
SJ-2-2 st0015 . . . . . . . A note on the concordance correlation
coefficient
(help concord if installed) . . . . . . T. J. Steichen and
N. J. Cox
Q2/02 SJ 2(2):183--189
correction based on an erratum for Lin's concordance
correlation coefficient, and assessment of the impact of
the change
STB-58 sg84.3 . . . . Concordance correlation coefficient: minor
corrections
(help concord if installed) . . . . . . T. J. Steichen and
N. J. Cox
11/00 p.9; STB Reprints Vol 10, p.137
small bug fixes affecting user control through the connect(),
symbol(), and pen() options
STB-55 sg138 . . . . . . Bootstrap inferences about measures of
correlation
(help bootcor if installed) . . . . . . . . . . . . . . . D.
J. Neal
5/00 pp.17--20; STB Reprints Vol 10, pp.149--152
provides bootstrap confidence interval and test for the
difference of two Pearson's R, intraclass correlations, or
concordance coefficients
STB-54 sg84.2 . . . . Concordance correlation coefficient: update for
Stata 6
(help concord if installed) . . . . . . T. J. Steichen and
N. J. Cox
3/00 pp.25--26; STB Reprints Vol 9, pp.169--170
updated to version 6 with corrections and new option for
saving the standard normal plot
STB-45 sg84.1 . . . . . . . . Concordance correlation coefficient,
revisited
(help concord if installed) . . . . . . . . T. Steichen and
N. J. Cox
9/98 pp.21--23; STB Reprints Vol 8, pp.143--145
improvements to the concord command
SR Millis
Nitin Jain wrote:
Hi,
Question:
1. Is there a way in STATA to compute the
interobserver/interrater agreement/variability for a
continuous variable (equivalent of the kappa statistic
for categorical variable)?
Thank you,
Nitin
=====
Nitin Jain, MBBS
School of Public Health
University of North Carolina at Chapel Hill
(919)968-9828
__________________________________________________
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