qspec.Observable  (  x ,  std = 0.0 ,  std_2 = 0.0 ,  label = None  )[source]

Parameters:

xSupportsFloat | SupportsIndex | str | bytes | bytearray

The value of the observable.

stdscalar

The left-sided 1-sigma percentile relative to x if std_2 is specified, else the standard deviation of the observable.

std_2scalar

The right-sided 1-sigma percentile relative to x if std is specified, else the standard deviation of the observable.

labelstr | None

The label of the observable.