dna sequence

Description

This data from Whisenant et al. (1991) is a nucleotides sequence of 4156 base pairs (bp). The categorical variable represents the nucleotide which is either one of the two purines (r), adenine (a) or guanine (g), or one of the two pyrimidines (y), cytosine (c) or thymine (t).

Usage

data(dna)

Format

A character vector of length 70 representing 70 consecutive segments of a dna strands.

References

Whisenant, E.C., Rasheed, B.K.A., Ostrer, H., Bhatnagar, Y.M. (1991). Evolution and sequence analysis of a human Y-chromosomal DNA fragment, J. Mol. Evol., 33, 133-141.

Examples

data(dna)