stddev

FEEL built-in function · FEEL list functions

stddev(list) or stddev(n1, …, nN)

Returns the sample standard deviation of the numbers.

Parameters

Parameter	Type	Description
list	list of numbers	numbers, as one list or as separate arguments

Examples

stddev(2, 4, 7, 5)

2.081665999466132735282297706979931 Try it ↑

Edge cases and null handling

stddev([1])

null Try it ↑

The sample standard deviation needs at least two values.

Part of FEEL list functions: how positions, nulls and single values behave across all of them, aggregating over lists of contexts, and every function side by side.

Related functions

mean · median · mode

Defined by the OMG DMN 1.6 specification, chapter 10.3.4 (built-in functions).