Summability criterion: Difference between revisions

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The '''summability criterion''' is a criterion about the vote-counting process of [[Electoral system|electoral systems]], which describes how [[precinct-summable]] a voting method is. Unlike most other voting system criteria, it does not relate to the end result, only to the process.
The '''summability criterion''' is a criterion about the vote-counting process of [[Electoral system|electoral systems]], which describes how precinct-summable a voting method is. Unlike most other voting system criteria, it does not relate to the end result, only to the process.


This is important for elections wtih many voting jurisdictions to be able to practically transmit their vote totals for tabulation. Summability is important to be able to report real-time combined vote totals in an understandable way. Some non-summable methods require that the individual ballot images are are transmitted to a centralized counting location to find the combined result.
This is important for elections wtih many voting jurisdictions to be able to practically transmit their vote totals for tabulation. Summability is important to be able to report real-time combined vote totals in an understandable way. Some non-summable methods require that the individual ballot images are are transmitted to a centralized counting location to find the combined result.