Timelion - metric=median query?

I am using timelion to do sum and averages, but is there an internal metric function to determine median?

.es(offset=-24h,index=system_stats*,interval=5m, timefield='@timestamp', metric=avg:downnodes, q=island_type:cpu)
.divide(.es(offset=-24h,index=system_stats*,interval=5m,timefield='@timestamp', metric=avg:capacity, q=island_type:cpu))

Hi Imran. I think you could use the percentiles aggregation can find the median (50th percentile).

For example I created this expression to return only the 50th percentile for a packetbeat field.

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Thank you, this is exactly what I'm after and it works.

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