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2010 Nov 12
4
dnorm and qnorm
Hello all,
I have a question about basic statistics. Given a PDF value of 0.328161,
how can I find out the value of -0.625 in R? It is like reversing the dnorm
function but I do not know how to do it in R.
> pdf.xb <- dnorm(-0.625)
> pdf.xb
[1] 0.328161
> qnorm(pdf.xb)
[1] -0.444997
> pnorm(pdf.xb)
[1] 0.628605
Many thanks,
Edwin
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