An object of class EBS
Returns the slot Col of an object of class EBS
A list where each element is a the Col matrix of size (n+1)*Kmax of a profile.
Rigaill, Lebarbier & Robin (2012): Exact posterior distributions over the segmentation space and model selection for multiple change-point detection problems Statistics and Computing
Cleynen & Robin (2014): Comparing change-point location in independent series Statistics and Computing