>>>>> "MW" == Morten Welinder <[EMAIL PROTECTED]>
>>>>> on Tue, 24 Jul 2007 17:18:09 +0200 (CEST) writes:
MW> Full_Name: Morten Welinder
MW> Version: 2.2.0
MW> OS: Linux
MW> Submission from: (NULL) (216.223.241.229)
MW> The qt function for df=1 is implemented as...
MW> q = - tan((P+1) * M_PI_2);
MW> Adding 1 kills accuracy for P near 0. A better way is to use
MW> q = cot(P * M_PI_2);
MW> or
MW> q = 1/tan(P * M_PI_2);
Yes, indeed, thanks a lot, Morten!!
((BTW: you should really upgrade your version of R))
Best regards,
Martin
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