The Effect of Vitamin C on Tooth Growth in Guinea Pigs
The response is the length of odontoblasts (cells responsible for tooth growth)
in 60 guinea pigs. Each animal received one of three dose levels of vitamin C
(0.5, 1, and 2 mg/day) by one of two delivery methods, orange juice or
ascorbic acid (a form of vitamin C and coded as
C. I. Bliss (1952). The Statistics of Bioassay. Academic Press.
McNeil, D. R. (1977). Interactive Data Analysis. New York: Wiley.
Crampton, E. W. (1947). The growth of the odontoblast of the incisor teeth as a criterion of vitamin C intake of the guinea pig. The Journal of Nutrition, 33(5), 491–504.
t = octave.dataset.ToothGrowth; octave.examples.coplot (t, "dose", "len", "supp"); # TODO: Port Lowess smoothing to Octave