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stimms/rollingAVG.lua

Created August 13, 2014 20:34
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rollingAVG.lua
local currentval = redis.call('get', ARGV[1])
local currentcount = redis.call('get', ARGV[1] .. '.count')
redis.call('incr', ARGV[1] .. '.count')
currentval = (currentval * (currentcount/(currentcount + 1))) + (ARGV[2]/(currentcount+1))
redis.call('set', ARGV[1], currentval)
return currentval
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