Documentation

math.erfinv() function

math.erfinv() returns the inverse error function of x.

Function type signature
(x: float) => float
For more information, see Function type signatures.

Parameters

x

(Required) Value to operate on.

x should be greater than -1 and less than 1. Otherwise, the operation will return NaN.

Examples

Return the inverse error function of a value

import "math"

math.erfinv(x: 0.22)// 0.19750838337227364

Use math.erfinv in map

import "math"

data
    |> map(fn: (r) => ({r with _value: math.erfinv(x: r._value)}))

View example input and ouput


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