Fig. 7

Example of estimated linear regressions based on a 4-cluster two-explanatory-variable LRM model. The regressions are for the pairs of clusters: \(C1^{\text {ARF+}}_{\texttt {LRM-2}}\) and \(C1^{\text {ARF+}}_{\texttt {LRM-2}}\), \(C1^{\text {ARF+}}_{\texttt {LRM-2}}\) and \(C2^{\text {ARF-}}_{\texttt {LRM-2}}\), \(C1^{\text {ARF+}}_{\texttt {LRM-2}}\) and \(C3^{\text {IAA}}_{\texttt {LRM-2}}\), \(C3^{\text {IAA}}_{\texttt {LRM-2}}\) and \(C3^{\text {IAA}}_{\texttt {LRM-2}}\). We highlighted the dimers types as indicated in the legend