[R] Sensitivity,Specificity and Youden Index

[Sarah Goslee]

On Wed, Jul 22, 2015 at 9:50 AM, Jomy Jose <infojomy at gmail.com> wrote:
> How to calculate the sensitivity,specificity,Youden index for 18 factors
> and their combination (6 factors in each) with an outcome measure.

www.rseek.org turns up a bunch of references to Youden index,
including packages.

Without a reproducible example that includes some sample data (fake is
fine), the code you used, and some clear idea of what output you
expect, it's impossible to figure out how to help you. Here are some
suggestions for creating a good reproducible example:
http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example

Sarah

-- 
Sarah Goslee
http://www.functionaldiversity.org