Confidence interval for difference in Harrell's c statistics (or equivalently Somers' D statistics)
On May 5, 2011, at 8:20 AM, Laura Bonnett wrote:
Dear All, I am trying to calculate a 95% confidence interval for the difference in two c statistics (or equivalently D statistics). In Stata I gather that this can be done using the lincom command. Is there anything similar in R?
Have you looked at rcorrp.cens {Hmisc}?
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David Winsemius, MD West Hartford, CT