[R] bug? and New bug. (PR#138)

maechler@stat.math.ethz.ch maechler@stat.math.ethz.ch
Wed, 10 Mar 1999 17:23:40 +0100

>>>>> "Mai" == Mai Zhou <mai@ms.uky.edu> writes:

    Mai> A new bug.  In 0.63.0 (windows NT) and 0.63.2 (on the Rweb)

    >> pt(1.96,df=100)
    Mai> [1] 0.9736105 #this is OK
    >> pt(1.96, df=100000000000000000000)
    Mai> [1] 0.5 #clearly wrong

    Mai> and for df=1000000 it took way too long to compute

    Mai> same with the F-distribution function.

Oh dear!  this is an ``old one'' 
   (I had at one time fixed something similar, maybe qt() ?
    but never done/checked all these limit cases).

--- I look at it some more...


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