tdigest_agg¶
Description¶
Generate a single t-digest state out of an arbitrary number of numeric values. This function is purely an aggregate function.
Return type¶
tdigest of float64
Domain¶
This is an aggregate function (aggregates rows over a group in aggregate verbs.)
This is a window function (calculates over a group of multiple input rows using windowing.)
Categories¶
Usage¶
tdigest_agg(value)
Argument |
Type |
Optional |
Repeatable |
Restrictions |
|---|---|---|---|---|
value |
numeric or duration |
no |
no |
none |
Examples¶
statsby state:tdigest_agg(float_col), group_by()
Aggregates all rows of float_col into a single t-digest representation (presented as a JSON object).