avg — average value
avg(number) -> number
The avg aggregate function computes the mathematical average value of its input.
Average value of simple sequence:
echo '1 2 3 4' | zq -z 'avg(this)' -
=>
2.5
Continuous average of simple sequence:
echo '1 2 3 4' | zq -z 'yield avg(this)' -
=>
1.
1.5
2.
2.5
Unrecognized types are ignored:
echo '1 2 3 4 "foo"' | zq -z 'avg(this)' -
=>
2.5