[Rd] Floating point issue
m@ech|er @end|ng |rom @t@t@m@th@ethz@ch
Tue Jul 12 11:40:25 CEST 2022
>>>>> Martin Maechler
>>>>> on Mon, 11 Jul 2022 10:24:58 +0200 writes:
> 10 days ago I also had a colleague at ETH, involved in teaching stats,
> wanting to submit a bug report about a model fit in nlme which
> gave different results (well, a confidence interval of a
> correlation which was not at all significant (and estimated
> close to zero) changed from +/-0.45 to +/-0.85 ...
(that was all the case, indeed)
> ... and when I asked for sessionInfo() etc,
> the result was that on the M1 the result differed from all
> other platforms.
when now rechecking and looking at the example, I've found to my
embarrassment, that the above paragraph (which *was* our conclusion)
has really not been the case.
Rather, as I've now reconfirmed, it seems that *only* on Windows
(from the platforms we looked at), the result differed from the others.
I.e., my nlme - example has been completely irrelevant to the
I do apologize!
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