bnlearn, hill-climbing algorithm: how can I get alternative structures in the order of score?

Question

In the R package of "bnlearn", the function "hc" only derives the most plausible structure in a score (e.g., bic, aic). But, I want to know alternative structures in the order of plausibility (i.e., score). For example, when three nodes were given (A, B, C), "hc" tells that the best structure is "A->B<-C". Then, can I know the second best structure? I know that by using "set.arc", I can calculate the score of an alternative structure. But, still, I cannot know the ranking of the alternative structure. How can I know alternative structures in the order of score?

Thanks in advance!!!

I suppose you could trace the search using `debug` : `hc(..., debug=TRUE)`, or maybe see how many iterations the search takes and then rerun setting the `max.iter` to one less?? — user20650, Feb 27 '19 at 23:13

score 0 · Answer 1 · answered Mar 01 '19 at 13:41

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I just solved the problem by calculating BIC for all possible structures.

answered Mar 01 '19 at 13:41

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bnlearn, hill-climbing algorithm: how can I get alternative structures in the order of score?

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