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what are formula groups in Calc?

asked 2018-11-06 01:26:44 +0100

catbill gravatar image

File > Properties > Statistics displays "formula groups." What are they?

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answered 2018-11-06 02:44:45 +0100

DrewJensen gravatar image

updated 2018-11-06 02:46:07 +0100

A formula group is a continuous range in a column that contains the same token sequence. For instance if cells B1 through B3 each contain a formula of =A1 + 3 through =A3 + 3, that would be one formula group.

The document property is the total of all such ranges found on all sheets.

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Thank you. Any thoughts about why it would be helpful to know how many formula groups in a spreadsheet?

catbill gravatar imagecatbill ( 2018-11-06 03:58:19 +0100 )edit

A thought? Yes, Knowledge? No. The thought that's probably wrong:
Technically the formula for a range of (say) 1000 cells only needs to be saved once together with a bit of information about the range (5 integer numbers in the way a RangeAddress is treated by the API). It's like you do it: Enter the formula once and expand the range to apply it as needed.
However, the OpenDocument specifications for .ods don't use this way to efficiency.
Why? Donno! @DrewJensen might know?

Lupp gravatar imageLupp ( 2018-11-06 10:46:08 +0100 )edit

Honestly - I didn't know the property existed on the Statistics page of the Property dialog till reading your question here.

So - at the moment the best I can offer is a reference to this property during a presentation at the 2015 LibreOffice conference. "Improved Automated Error Checking (pg 12)"

Also asked a few other people this same question, just this morning - will let you know what I hear

DrewJensen gravatar imageDrewJensen ( 2018-11-06 18:21:38 +0100 )edit

@Lupp "might know" what? Why the ODF spec ended up the way it did? No.

DrewJensen gravatar imageDrewJensen ( 2018-11-06 18:25:08 +0100 )edit

Drew, I respect your ability to find such a reference. It seems like a round-about way to find out about user error.

catbill gravatar imagecatbill ( 2018-11-06 21:28:06 +0100 )edit
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Asked: 2018-11-06 01:26:44 +0100

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Last updated: Nov 06 '18