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Functions / Aggregate Functions

Computes the sample standard deviation of the input values.

Reading PG 18current·documented in 21 of 27 versions, 8.2 to 20

Signatures & examples

stddev_samp ( numeric_type ) → double precision for real or double precision, otherwise numeric
Computes the sample standard deviation of the input values.
Version history 2
  1. 12 → 13 changed
  2. 8.1 → 8.2 added

Definition snapshot: b7bd9cda · English manual source