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Oracle® OLAP DML Reference
10g Release 2 (10.2)

Part Number B14346-01
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NORMAL

The NORMAL function returns a random value from a normal distribution with a specified mean and standard deviation. The result returned by NORMAL is dimensioned by all the dimensions of the mean and standard deviation expressions.

Return Value

DECIMAL

Syntax

NORMAL(mean standard-deviation)

Arguments

mean

A numeric expression that represents the mean of a normal distribution. When mean is NA, NORMAL returns NA.

standard-deviation

A numeric expression that represents the standard deviation of a normal distribution. When standard-deviation is NA, NORMAL returns the mean.

Examples

Example 18-30 Showing Random Values

Each of the following examples shows a random number that might be returned from a normal distribution with a mean of 0 and a standard deviation of 1.

The first time you execute the following statement,

SHOW NORMAL(0 1)

it might produce the following result.

-0.75

However, when you execute the same statement again, it might produce the following result.

0.87