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bug#58929: 29.0.50; Calc: finding roots utpn doesn't work as advertised
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From: |
Mattias Engdegård |
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Subject: |
bug#58929: 29.0.50; Calc: finding roots utpn doesn't work as advertised |
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Date: |
Tue, 8 Nov 2022 12:00:32 +0100 |
5 nov. 2022 kl. 20.29 skrev Matt Armstrong <matt@rfc20.org>:
> I arrived here because I wanted to use calc to compute 95th and 99th
> percentile confidence intervals of some benchmarking results using the
> Student's t-distribution.
Quantile computations are common and useful enough that they may merit
convenience functions in Calc in the future.
> The patch I sent previously, with my (hopefully) useful suggestions in
> the user manual, is probably the end of my useful contribution here.
Your manual changes are fine as far as I'm concerned, but again I haven't
worked through them in detail -- maybe you could add tests to confirm the
convergence for your recommended starting guesses? That would both help
validating your patch and protect against future regressions.