[R-pkgs] PST version 0.81

From: Alexis Gabadinho <Alexis.Gabadinho_at_unige.ch>
Date: Wed, 12 Dec 2012 15:35:14 +0100


Dear R users,

The PST package (version 0.81) is now available on the CRAN. It enables the modelling and analysis of categorical sequences with probabilistic suffix trees (PST).

The package fits variable length Markov chain models and store them in PSTs. It is specifically adapted to the field of social sciences by allowing to learn VLMC models from sets of individual sequences possibly containing missing values, and to account for case weights.

Fitted PSTs can be used among other for sequence prediction (pattern mining), imputation and artificial sequences generation. The package also includes original visualization tools of both the model and outcomes of sequence prediction.

Alexis Gabadinho
NCCR LIVES
Institute for demographic and life course studies University of Geneva
Switzerland



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