Hi,
I have a field called 'readings' in my logstash messages which is an array
consists of 10 float point numbers.
I want to calculate the stats for each individual slots in those arrays.
For example if I have three readings :
[0,0,0, 1935.25,0,0,0,0,-1235.5, 0]
[0,0,0, 1936.25,0,0,0,0,-1236.5, 0]
[0,0,0, 1937.25,0,0,0,0,-1237.5, 0]
and I want the average to show me the average in each slot, which should be:
[0,0,0, 1936.25,0,0,0,0,-1236.5, 0]
If I do:
....
aggs => {
reading_avg => {
avg => {
field => "readings"
}
}
},
.....
Then ES will give me the average of all the 30 elements in this three
arrays and the average results in one number: 1930.54....
Does anyone has any suggestions how can I do this?
Thanks.
Yuheng
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