Interface for retrieving correlation-like quantities between parameters and observables. More...

#include <string>

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Classes
class	IObsCorrelationProxy< T, X, V, U, B, W >

Detailed Description

Interface for retrieving correlation-like quantities between parameters and observables.

Observable fits and combinations often require correlation information (or covariance-like quantities). This interface provides a small, user-friendly API to query such quantities between two entities identified by various id types.

Template parameters:

T : generic parameter identifier type (e.g. ParamId)
X : fully explicit experiment-scoped observable identifier (e.g. ExperimentObs)
V : public observable identifier type (e.g. Observables enum)
U : internal observable identifier type (e.g. ObservableId)
B : binned observable identifier type (e.g. BinnedObservableId)
W : correlation quantity selector type (e.g. CorrelationProvider::CorrelationType)

Implementations are expected to forward these queries to a correlation backend (e.g. CorrelationProvider), possibly applying model-specific logic.

Observable correlations are experiment-scoped: the experiment name is part of the lookup key unless a fully explicit identifier of type X is used.

This interface is independent from IObsParameterProxy and therefore does not affect proxies such as ObsParameterProxy.

See also: CorrelationProxy; CorrelationProvider

Definition in file IObsCorrelationProxy.h.

Classes

Detailed Description