seqST {TraMineR}R Documentation

Sequences turbulence

Description

Computes the turbulence for each sequence in a sequence data set, using the measure proposed by Elzinga.

Usage

 seqST(seqdata)

Arguments

seqdata a sequence object (see seqdef function).

Details

Returns a vector whose number of elements is the number of sequences in the input data set.

References

Elzinga, Cees H. and Liefbroer, Aart C. (2007). De-standardization of Family-Life Trajectories of Young Adults: A Cross-National Comparison Using Sequence Analysis. European Journal of Population, 23, 225-250.

See Also

.

Examples

  ## Loading the 'actcal' example data set
  data(actcal)

  ## Defining a sequence object with data in columns 13 to 24
  ## (activity status from january to december 2000)
  actcal.seq <- seqdef(actcal,13:24,informat='STS')

  ## Computing the sequences turbulence
  turb <- seqST(actcal.seq)

  ## Histogram for the turbulence
  hist(turb)

[Package TraMineR version 1.0 Index]