Need to calculate Harrell's C-statistics or whats know by C-index

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Taysseer
Taysseer am 2 Sep. 2014
Kommentiert: Greg Heath am 7 Sep. 2014
I am doing survival analysis using Neural Networks, I would like to calculate Harrell's C-index as a measure of predictive accuracy which is similar to Mann-Whiteny test in the absence of censoring, which is not always true in modeling survival analysis. If anyone can help me with finding the algorithm I really appreciate it.
Thanks in advance, Taysseer Sharaf USF
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Image Analyst
Image Analyst am 3 Sep. 2014
Possibly but keep in mind the FAQ: http://matlab.wikia.com/wiki/FAQ#Can_you_program_up_the_algorithm_in_this_article_for_me_and_explain_it_to_me.3F Or if you're lucky, Greg may answer - he's our Neural Network expert (because I have no idea what you're talking about).
Greg Heath
Greg Heath am 7 Sep. 2014
Never heard of it and don't know what you mean by survival analysis.
Sorry,
Greg

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