[R] R equivalent of erfcinv in matlab
flyhyena at yahoo.com.cn
Mon Apr 14 01:53:51 CEST 2008
Bill.Venables at csiro.au wrote:
> At a guess ...
>> erfc <- function(x) 2 * pnorm(x * sqrt(2), lower = FALSE)
>> erfcinv <- function(x) qnorm(x/2, lower = FALSE)/sqrt(2)
>  0.6713732
>  0.3
> It may not hurt to include these wrappers in R for matlab refugees.
> They seem to be coming thick and fast these days.
> Bill Venables
> CSIRO Laboratories
> PO Box 120, Cleveland, 4163
> Office Phone (email preferred): +61 7 3826 7251
> Fax (if absolutely necessary): +61 7 3826 7304
> Mobile: +61 4 8819 4402
> Home Phone: +61 7 3286 7700
> mailto:Bill.Venables at csiro.au
Thanks very much indeed. This solved my problem. I think it will be
very helpful to have these wrapper functions at least in some extra
packages for the ease of people migrating.
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