Find substring patterns in sequences
Search for a pattern (substring) into sequences.
seqpm(seqdata, pattern, sep="")
seqdata |
a sequence object as defined by the |
pattern |
a character string representing the pattern (substring) to search for. |
sep |
state separator used in the pattern definition. |
This function searches a pattern (a character string) into a set of sequences and returns the results as a list with two elements: 'Nbmatch' the number of occurrences of the pattern and 'MatchesIndex' the vector of indexes (row numbers) of the sequences that match the pattern (see examples below).
a list with two elements (see details).
Alexis Gabadinho
data(actcal) actcal.seq <- seqdef(actcal,13:24) ## search for pattern "DAAD" ## (no work-full time work-full time work-no work) ## results are stored in the 'daad' object daad <- seqpm(actcal.seq,"DAAD") ## Looking at the sequences ## containing the pattern actcal.seq[daad$MIndex,] ## search for pattern "AD" ## (full time work-no work) seqpm(actcal.seq,"AD")
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