TraMineR (version 1.8-9)

seqfpos: Search for the first occurrence of a given element in a sequence

Description

Returns a vector containing the position of the first occurrence of the given element in each of the sequences in the data set.

Usage

seqfpos(seqdata, state)

Arguments

seqdata

a sequence object (see seqdef function).

state

the state element to search in the sequences

Details

the state to search for has to be passed as a character string, and must be one of the state returned by the alphabet function. If the state is not contained in a sequence, NA is returned for this sequence.

Examples

data(biofam)
biofam.seq <- seqdef(biofam,10:25)

## Searching for the first occurrence of state 1
## in the biofam data set.
seqfpos(biofam.seq,"1")