[R] Event sequence analysis

Jean-Pierre Müller jean-pierre.mueller at unil.ch
Mon Feb 2 14:41:16 CET 2009


Maybe TraMineR ? http://mephisto.unige.ch/traminer

HTH,

Le 2 févr. 09 à 13:31, Hans W. Borchers a écrit :

> Dear R help,
>
> I am analyzing sequences of events described by time and a unique  
> event tag. And
> I am searching for recurring patterns where patterns have to show up  
> in a
> certain time window, e.g. 5 or 10 minutes. Of course, inbetween  
> these events
> other events may occur.
>
> I have applied basket analysis approaches like apriori or 'frequent  
> item set'
> algorithms with interesting results but these methods do not take  
> into account
> the exact succession of events. I also looked into the 'Generalized  
> Sequential
> Pattern' function of Weka, but the implementation in Weka does not  
> allow for a
> time window (as far as I understand).
>
> Are there other sequence analysis implementations available in R? --  
> For
> instance in the realm of the 1997 paper "Discovery of frequent  
> episodes in event
> sequences" by H. Mannila et al.
>
> Please no BioConductor hints as they are meaning something different  
> with
> (genetic) sequence analysis.
>
> Very best,  Hans Werner
>
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-- 

Jean-Pierre Müller
SSP / Anthropole 4123 / UNIL / CH - 1015 Lausanne
Voice:+41 21 692 3116 / Fax:+41 21 692 3115




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