* cumulative sum
* refactor and create new mode
* refactor - use reduceOptions for new mode also
* revert naming
* Add window function, rename statistical to cumulative (#77066)
* Add window function, rename statistical to cumulative
* Fix merge errors
* fix more merge errors
* refactor + add window funcs
Co-authored-by: Oscar Kilhed <oscar.kilhed@grafana.com>
* add ff + tests + centered moving avg
Co-authored-by: Oscar Kilhed <oscar.kilhed@grafana.com>
* make sum and mean cumulative more efficient (#77173)
* make sum and mean cumulative more efficient
* remove cumulative variance, add window stddev
* refactor window to not use reducer for mean. wip variance stdDev
* fix tests after optimization
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Co-authored-by: Victor Marin <victor.marin@grafana.com>
* optimize window func (#77266)
* make sum and mean cumulative more efficient
* remove cumulative variance, add window stddev
* refactor window to not use reducer for mean. wip variance stdDev
* fix tests after optimization
* fix test lint
* optimize window
* tests are passing
* fix nulls
* fix all nulls
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Co-authored-by: Victor Marin <victor.marin@grafana.com>
* change window size to be percentage
* fix tests to use percentage
* fixed/percentage window size (#77369)
* Add docs for cumulative and window functions of the add field from calculation transform. (#77352)
add docs
* splling
* change WindowType -> WindowAlignment
* update betterer
* refactor getWindowCreator
* add docs to content.ts
* add feature toggle message
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Co-authored-by: Oscar Kilhed <oscar.kilhed@grafana.com>
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