| Wostr added a comment. |
In T95425#2410249, @Nikki wrote:This just came up on-wiki again at https://www.wikidata.org/wiki/Wikidata:Project_chat#Rounding_when_uncertainty_over_10_is_given where someone added a statement with 547±17 (which is 530-564) and instead it displays 550±20 (which is 530-570).
That's about my comment.
The present situation is unacceptable. It does not matter if the value is stored correctly or not while it is displayed completely wrong and can be misleading. I see no reason for that the automatic mechanism could decide, when and how the values are rounded. That's an absurd. The mechanism does not know when the last digits are significant or not. We can't even precise what type of uncertainty it is.
In this case, the source stated 547±17 for some reason. Not 550±20. On what basis the mechanism round the two significant digits of uncertainty to useless "20"? Your mechanism cannot be smarter than the human. In my field of work such "rounding" may be very annoying, costly or even dangerous, becasue the "insignificant digits" matters.
Cc: Wostr, Srittau, Nikki, Thryduulf, Addshore, Lydia_Pintscher, Jc3s5h, Snipre, mgrabovsky, daniel, thiemowmde, Aklapper, D3r1ck01, Izno, Wikidata-bugs, aude, Mbch331
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