[Traminer-users] association rules from event sequences

[Hugo Varet]

Dear Nicolas,

thank you very much for having shared the functions in the TraMineRextras
package. I'm going to try them and I will tell you if I succeed in
optimizing the R code.

Best regards,

Hugo



Le 24 mars 2012 13:22, Nicolas Müller <Nicolas.Muller at unige.ch> a écrit :

>  Dear Hugo,
>
> The functions needed to get the hazard ratios and the p-values from the
> association rules are not available yet in TraMineR.
> However, I will make them available in the TraMineRextras package during
> this week-end, along with some explanations on how to use them.
> They are not very optimized yet, and I'd be glad if someone was interested
> in improving the code, as I don't have enough free time to do it at the
> moment.
>
> Best regards.
>
> Nicolas
>
> Le 20.03.2012 12:02, Hugo Varet a écrit :
>
> Dear all,
>
> I have a new question about the analysis of event sequences. I would like
> extracting association rules from my data as Nicolas Müller did in his
> paper entitled "Extraction de règles d’association séquentielle à l’aide de
> modèles semi-paramétriques à risques proportionnels". His way of presenting
> the results (hazard ratio with p-value from a Cox model) is very
> interesting and understandable for a large public. I succeeded in
> extracting association rules with the following R code :
> freq=seqefsub(data.seqe, pMinSupport = 0.05)
> rules <- TraMineR:::seqerules(freq)
> rules[order(rules$Lift, decreasing = TRUE)[1:10],]
> but I do not know how to get HR and p-values (maybe I do not use the good
> fonction). Nicolas Müller wrote in his paper that his algorithm would be
> implemented in the TraMineR package. Maybe the fonction I am looking for is
> not available yet ?
>
> Best regards,
>
> Hugo
>
>
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