Re: [Rd] Problems in d-p-q-r functions (was PR#8528, but unrelated)

From: <maechler_at_stat.math.ethz.ch>
Date: Tue 07 Feb 2006 - 10:04:16 GMT


>>>>> "BDR" == Prof Brian Ripley <ripley@stats.ox.ac.uk> >>>>> on Tue, 7 Feb 2006 08:52:43 +0000 (GMT) writes:

    BDR> For the record, some of these claims are untrue:
>> df(0, 2, 2)
    BDR> [1] 1
>> df(0, 1.3, 2)
    BDR> [1] Inf

Well, these first two I had fixed in the mean time. So Ian was right about reporting them.

>> x <- 1e-170
>> pbeta(x, x, x)
    BDR> [1] 0.5 ( but Ian only explicitly mentioned dbeta(x,x,x) for x = 1e-162   and that *did* need to be fixed -- and I see you did fix it;   thanks a lot! )

Martin

 BDR> ............................
 BDR> ............................

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https://stat.ethz.ch/mailman/listinfo/r-devel Received on Wed Feb 08 02:21:26 2006

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