algorithme à deux pas

CONT: The two-step algorithm uses the (agglomerative) hierarchical clustering method, because it works well with the auto-cluster method. The algorithm is based on a distance measure that gives the best results if all variables are independent, the continuous variables have a normal distribution, and the categorical variables have a multinomial distribution.
OBS: two-step algorithm: A ""two-step algorithm"" should not be confused with a ""two-stage algorithm."" ""Two-step"" refers to a process involving two sequential actions, while ""two-stage"" implies a process with distinct levels or phases of operation.