avg#
- avg(input)[source]#
Calculates the average (mean) of non-null elements in the input expression.
Example:
SELECT avg(x) FROM tbl
╭───────╮ │ x │ │ --- │ │ Int64 │ ╞═══════╡ │ 100 │ ├╌╌╌╌╌╌╌┤ │ 200 │ ├╌╌╌╌╌╌╌┤ │ null │ ╰───────╯ (Showing first 3 of 3 rows)
╭───────────╮ │ x │ │ --- │ │ Float64 │ ╞═══════════╡ │ 150.0 │ ╰───────────╯ (Showing first 1 of 1 rows)