Blizzard introduced EPM as a new stat for watchers of Starcraft2 matches, in one of the last patches. I am a bit confused. What is the difference between EPM and APM? What does each include exactly in the count?
Starcraft – the difference between EPM and APM
starcraft-2
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Best Answer
The notes for patch 1.4.3 state:
EPM is always smaller than APM since effective actions are a subset of all actions.
Time is measured in game time (aka Blizzard time), and it is not measured in real time.
As mentioned at a Team Liquid forum post, camera location commands (aka screen bookmarks) are not included in the calculations of APM and EPM.
Note that third party analysis tools often measure APM/EPM slightly differently to the Starcraft 2 software.
Currently (as of version 1.4.3.21029) there is a bug where EPM and APM values are reversed when viewing a replay. We should expect a fix sometime in a future patch.