seqtabstocc | R Documentation |
Computes the frequencies of co-occurring state patterns.
seqtabstocc(seqdata, with.missing=FALSE, ...)
seqdata |
A state sequence ( |
with.missing |
Logical. Should the missing state be considered as a regular state? |
... |
Additional arguments to be passed to |
The function extracts the list of states co-occurring in each sequence. For each sequence, the co-occurring states are extracted as the sequence of the alphabetically sorted distinct states. The frequencies of the extracted sets of states is then obtained by means of the TraMineR seqtab
function.
Returned patterns with a single state correspond to sequences that contain only that state.
A stslist.freq
object with co-occurrence patterns sorted in descending frequency order.
Gilbert Ritschard
seqtab
## Creating a sequence object from the first 500 actcal data.
data(actcal)
actcal.seq <- seqdef(actcal[1:500,13:24])
## 10 most frequent state patterns in the data
seqtabstocc(actcal.seq)
## All state patterns
seqtabstocc(actcal.seq, idxs=0)
## Example with missing states
data(ex1)
ex1 <- ex1[,1:13] ## dropping last weight column
## adding 3 sequences with no gap and left missing state
ex1 <- rbind(ex1,c(rep("A",4),rep(NA,9)))
ex1 <- rbind(ex1,c(rep("A",4),rep(NA,9)))
ex1 <- rbind(ex1,rep("A",13))
s.ex1 <- seqdef(ex1)
seqtabstocc(s.ex1, with.missing=TRUE)
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