Re: [Rd] dbeta may hang R session for very large values of the shape parameters

2013-09-19 Thread Ioannis Kosmidis
Dear Brian, many thanks, that is great. Best regards, Ioannis On 19/09/13 12:15, Prof Brian Ripley wrote: The issue is underflow to zero in bd0 (C file src/nmath/bd.c). We'll fix that, but given the R 3.0.2 RC is in code freeze and this has existed for years, not for 3.0.2. On 18/09/2013 23:

Re: [Rd] dbeta may hang R session for very large values of the shape parameters

2013-09-19 Thread Prof Brian Ripley
The issue is underflow to zero in bd0 (C file src/nmath/bd.c). We'll fix that, but given the R 3.0.2 RC is in code freeze and this has existed for years, not for 3.0.2. On 18/09/2013 23:52, Kosmidis, Ioannis wrote: Dear all, we received a bug report for betareg, that in some cases the optim

[Rd] dbeta may hang R session for very large values of the shape parameters

2013-09-18 Thread Kosmidis, Ioannis
Dear all, we received a bug report for betareg, that in some cases the optim call in betareg.fit would hang the R session and the command cannot be interrupted by Ctrl-C… We narrowed down the problem to the dbeta function which is used for the log likelihood evaluation in betareg.fit. Partic