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Subject: [OASIS Issue Tracker] Updated: (OFFICE-2630) YEARFRAC ambiguity
[ http://tools.oasis-open.org/issues/browse/OFFICE-2630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Weir updated OFFICE-2630:
---------------------------------
Proposal:
Replace current treatment of day count bases in Part 2, section 4.11.6 with revision 2 of the following document:
http://www.oasis-open.org/committees/document.php?document_id=39507
We should also adopt a uniform way of referring to this materially in the function definitions, when specifying what the "basis" parameter.
I recommend "basis Indicates the day-count basis to use; see section 4.11.6".
Editor's choice as to whether day-count is hyphenated or not.
"The type of day-count basis" is sometimes used in the text, but I think that is inaccurate. This is not specifying a type.
The note on YEARFRAC (section 6.10.24.) has a note that should be removed, "The Basis default is not the actual number of days in a month or year" since that is not very helpful. Also remove "Basis is the system for determining how many days are in a month or year" and replace with the above recommended language.
> YEARFRAC ambiguity
> ------------------
>
> Key: OFFICE-2630
> URL: http://tools.oasis-open.org/issues/browse/OFFICE-2630
> Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
> Issue Type: Bug
> Components: OpenFormula
> Affects Versions: ODF 1.2 Part 2 CD 1
> Reporter: Robert Weir
> Assignee: Robert Weir
> Fix For: ODF 1.2 CD 06
>
>
> I thought we nailed this one a while ago, but I see the problem still in Part 2, CD 01.
> YEARFRAC is currently defined as "Computes the fraction of the number of years between a StartDate and EndDate.
> Basis is the system for determining how many days are in a month or year."
> OK. So YEARFRAC is A/B where A= number of days between the two dates, using the counting conventions of the basis. And B is what? A year certainly. But how many days? 365? 365.25? Dependent on whether date 1 or date 2 is in a leap year?
> I thought David figured this out at one point.
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