[R] R equivalent of erfcinv in matlab

Peter Dalgaard p.dalgaard at biostat.ku.dk
Sun Apr 13 23:49:22 CEST 2008


sun wrote:
> I am converting some matlab code into R that use inverse of the 
> complementary error function, erfcinv and did not find an equivalent in 
> R, is there such a function in some contributed modules?
>
>   
Basically, it is qnorm() with suitable scaling. The help page for Normal 
has the construction for erfc() from pnorm()  so just solve erfc(x) = y 
for x.

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   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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