Hi,
some questions inline?
Thanks!
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So, my suggestion would be :
- look at your data; do your churners have events in an actionable period
(this depends on your domain) that could be the basis of a signal? If there
are enough of them in this category to power a business case based on
intervention and win back you're on... if not then more data, better data is
needed..
Have you any suggestion in how to looking for events that can be
signal of churn ?
- try a HMM, it could help you find groups of sequences of action that lead
to churning (repeated contacts, escalations, resorting to letter writing
etc.) But check that Mahouts one is sound and works for you (I am not
confident that I did enough work to say that my problems weren't a case of
"problem between screen and chair" so if you get things working then
superduper!)
How I have to prepare my data to be processed by the HMM ?
