## cdf(var x): var

Cumulative distribution function; the probability that a normal distributed variable takes a value less than or equal to **x**.
Can be used to compress the variable to the **0..1** range.
Sometimes also referred to as **pnorm(x)**.
## qnorm(var x): var

The inverse **cdf** function; returns the value whose cumulative distribution matches the probability
**x**.
### Parameters:

**x** - any **var**.
### Example:

x = cdf(1); *// x is now 0.84 *
x = cdf(-1); *// x is now 0.16*

### See also:

sign, abs
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