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| I have four equations in four unknowns, a,b,c,d: Sensitivity[a_ ,c_] := (a/(a + c)) * 100 Specificity[b_ , d_] := (d/(b + d)) * 100 PPV[a_ , b_] := (a/(a + b)) * 100 NPV[c_ , d_] := (d/(c + d)) * 100 I... |
| &[Wolfram Notebook][1] [1]: https://www.wolframcloud.com/obj/4de438a5-9bb5-40e0-b6ae-6ca6b5a682c6 |