mean() function

The mean() function computes the mean or average of non-null records in the input table.

Function type: Aggregate
Output data type: Float

mean(columns: ["_value"])

Parameters

columns

A list of columns on which to compute the mean. Defaults to ["_value"].

Data type: Array of strings

Examples

from(bucket:"telegraf/autogen")
  |> filter(fn: (r) =>
    r._measurement == "mem" AND
    r._field == "used_percent")
  |> range(start:-12h)
  |> window(every:10m)
  |> mean()

MEAN()

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