Changes time granularity of a state sequence object by aggregating successive positions into groups of a user-defined time length.
seqgranularity(seqdata, tspan = 3, method = "last")
A state sequence object.
Integer. Number of successive positions grouped together.
Character string. Aggregating method. One of
Successive positions are aggregated by group of
tspan states. The aggregated state is, depending of the
method chosen, either the first (
"first"), the last (
"last") or the most frequent (
"mostfreq") state of the
tspan long spell. The same applies to the last spell, even when it is shorter than
The resulting state sequence object.
This function needs further testing.
Matthias Studer and Gilbert Ritschard
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