R: Search for the first occurrence of a given element in a...

seqfpos {TraMineR} | R Documentation

## 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.

### Author(s)

Alexis Gabadinho

### Examples

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

    ## Searching for the first occurrence of state 1
    ## in each of the 5 first sequence of the biofam data set.
    seqfpos(biofam.seq[1:5,],"1")

[Package TraMineR version 2.2-4 Index]