qiskit.ignis.verification.QVFitter.calc_confidence_level

QVFitter.calc_confidence_level(z_value)

Calculate confidence level using z value.

Accumulative probability for standard normal distribution in [-z, +infinity] is 1/2 (1 + erf(z/sqrt(2))), where z = (X - mu)/sigma = (hmean - 2/3)/sigma

매개변수

z_value (float) – z value in in standard normal distibution.

반환

confidence level in decimal (not percentage).

반환 형식

float