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Functions / Aggregate Functions

var_samp

Read the PG 18 manual

Computes the sample variance of the input values (square of the sample standard deviation).

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

7.17.27.37.48.08.18.28.38.49.09.19.29.39.49.59.61011121314151617181920

Signatures & examples

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

Definition snapshot: b7bd9cda · English manual source