Re: Searching for reasoning on design decisions
Miroslav Lichvar <[email protected]>
| Newsgroups | gmane.comp.time.chrony.user |
|---|---|
| Message-ID | <ZJvdqHtpmfwatqU1@localhost> |
On Tue, Jun 27, 2023 at 09:28:39PM +0200, Julian Steinmann wrote: > However, I haven't found much reasoning why e.g. weighted linear regression > is used in chrony for NTP samples, whilst a robust linear regression (Least > Absolute Deviations) is used for RTC samples and manual input (I hope I'm > not mistaken in my reading of the code). NTP samples have a delay, which works well as a weight. RTC and manual samples don't have a delay or anything that could be used as a weight. There were some unsuccessful attempts to combine weighting with the robust regression. This needs more research. > Is there some place where these design decisions are justified? No, there is just the source code. -- Miroslav Lichvar -- To unsubscribe email chrony-users-request-kWFZVVI9zxvPqho9SqqRMmD2FQJk+8+b@public.gmane.org with "unsubscribe" in the subject. For help email chrony-users-request-kWFZVVI9zxvPqho9SqqRMmD2FQJk+8+b@public.gmane.org with "help" in the subject. Trouble? Email [email protected]