Improvement opportunity: summarising the fitted model

[ericgermaining]

Maybe we should define a summary.traveltimeHMM function that would provide a summary of a fitted travel time model, in the same way we can call summary for a glm object.

[melmasri]

Yes this can be done easily. for example return come quantiles. Next we I can start helping in programming those methods, we let me know what I can do from the list to do