mqr.spc.

ControlParams

class mqr.spc.ControlParams

Base class of all control methods.

Other types should implement at least these functions to be monitored with SPC rules.

Methods

asdict()	Returns a dict representation of this class.
lcl(nobs)	Calculates the lower control limits for samples with sizes in nobs.
statistic(samples)	Calculates the control statistic from samples.
target()	Process target value for this monitoring method.
ucl(nobs)	Calculates the upper control limits for samples with sizes in nobs.