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find sigma for known normcdf parameters
A friend of mine found the solution : sigma = 0.5 * (2^(1/2) * (mu - x)) / erfinv(2*(1/2-p))
14 years ago | 0
| accepted
Question
find sigma for known normcdf parameters
Hi, Knowing p, x and mu I would like to find the corresponding sigma for p = normcdf(x,mu,sigma). I tried with the symbolic too...
14 years ago | 2 answers | 0
