Sort sequences by states at the successive positions
Returns a sorting vector to sort state sequences in a TraMineR sequence object (seqdef) by the states at the successive positions.
sorti(seqdata, start = "end", sort.index=TRUE) sortv(seqdata, start = "end")
seqdata |
A state sequence object as returned by |
start |
Where to start the sort. One of |
sort.index |
Should the function return sort indexes? If |
With start = "end" (default), the primary sort key is the final state, then the previous one and so on. With start = "beg", the primary sort key is the state at the first position, then at the next one and so on.
With sort.index = FALSE, the function returns a vector of values whose order will determine the wanted order. This should be used as sortv argument of the seqiplot function. With sort.index = TRUE, the function returns a vector of indexes to be used for indexing.
The sortv form is an alias for sorti(..., sort.index = FALSE).
If sort.index = FALSE, the vector of sorting values.
Otherwise the vector of sorting indexes.
Gilbert Ritschard
Details about type = "i" or type = "I" in
seqplot .
data(actcal) actcal.seq <- seqdef(actcal[1:100,13:24]) par(mfrow=c(1,2)) seqIplot(actcal.seq, sortv=sortv(actcal.seq), with.legend = FALSE) seqIplot(actcal.seq, sortv=sortv(actcal.seq, start="beg"), with.legend = FALSE) actcal.seq[sorti(actcal.seq)[90:100],] data(mvad) mvad.seq <- seqdef(mvad[1:100,17:86]) par(mfrow=c(1,2)) seqIplot(mvad.seq, sortv=sortv(mvad.seq, start="end"), with.legend = FALSE) seqIplot(mvad.seq, sortv=sortv(mvad.seq, start="beg"), with.legend = FALSE) print( mvad.seq[sorti(mvad.seq,start="beg")[90:100],], format="SPS")
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