[R] Inversion function of dnorm ?

[Martin Maechler]

>>>>> "Huang-Wen" == Huang-Wen Chen <chenh at seas.upenn.edu>
>>>>>     on Thu, 24 Nov 2005 02:51:18 -0500 writes:

    Huang-Wen> Hi,
    Huang-Wen> In R, qnorm is the inversion function of pnorm. (c.d.f)
    Huang-Wen> But there is no inversion function for dnorm. (p.d.f).
    Huang-Wen> Is there any easy (and quick) way to compute the inversion function of p.d.f
    Huang-Wen> in R ?

Hmm,  please do think again!
About what definition of "inversion" have you been thinking?  The usual
one is surely undefined for a non-monotone function like dnorm() !