seqstatl: List of distinct states or events (alphabet) in a sequence data set.
Description
Returns a list containing distinct states or events found in a data frame or matrix containing sequence data, the alphabet.
Usage
seqstatl(data, var=NULL, format='STS')
Arguments
data
a data frame or matrix containing sequence data.
var
the list of columns containing the sequences. Default NULL means all columns. Whether the sequences are in the compressed (character strings) or extended format is automatically detected from the number of columns.
format
the format of the sequence data set. One of "STS", "SPS", "DSS". Default is "STS". The seqstatl function uses the seqformat function to tra
References
Gabadinho, A., G. Ritschard, N. S. M�ller and M. Studer (2011). Analyzing and Visualizing State Sequences in R with TraMineR. Journal of Statistical Software40(4), 1-37.
Gabadinho, A., G. Ritschard, M. Studer and N. S. M�ller (2009). Mining Sequence Data in
R with the TraMineR package: A user's guide. Department of Econometrics and
Laboratory of Demography, University of Geneva.