Search found 4 matches

by Beatrice
Fri Aug 11, 2023 7:59 am
Forum: Help
Topic: ROC Curve P value
Replies: 8
Views: 3354

Re: ROC Curve P value

I did look at the articles. The statistical methods sections were very informative. I have a much better grasp of the concepts now.
Thank you very much.
by Beatrice
Wed Aug 09, 2023 9:50 pm
Forum: Help
Topic: ROC Curve P value
Replies: 8
Views: 3354

Re: ROC Curve P value

So can it be said that the AUC tells us about a difference between 2 distributions, and the p value tells us how certain we are that this difference is not due to chance (regardless of its size) ?
by Beatrice
Wed Aug 09, 2023 6:09 pm
Forum: Help
Topic: ROC Curve P value
Replies: 8
Views: 3354

Re: ROC Curve P value

Sir, I can't begin to thank you enough for your time responding to my query. So this is what I understood after studying the file you attached : 1. The AUC doesn't change no matter the method you use to get it, TestROC, Regression or the Mann Whitney U dependent equation (AUC =1-U/n1*n2) 2. As for t...
by Beatrice
Sun Aug 06, 2023 2:44 pm
Forum: Help
Topic: ROC Curve P value
Replies: 8
Views: 3354

ROC Curve P value

I was wondering if someone could help me with the following problem, I apologize in advance if my query is too silly, my statistical background is rather shallow. I am doing a study on a lab test, and I want to check if it can discriminate well between 30 healthy and 30 diseased subjects. I ran a RO...