| ToothGrowth {base} | R Documentation |
The Effect of Vitamin C on Tooth Growth in Guinea Pigs
Description
The response is the average length of odontoblasts (teeth) in each of 10 guinea pigs. Three dose levels 0.5, 1, and 2 mg of juice and acid in the juice were used.
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Usage
data(ToothGrowth)Format
A data frame with 60 observations on 3 variables.
| [,1] | len | numeric | Tooth length |
| [,2] | supp | factor | Supplement (VC or OJ). |
| [,3] | dose | numeric | Dose in milligrams. |
Source
C. I. Bliss (1952). The Statistics of Bioassay, Academic Press.
References
McNeil, D. R. (1977). Interactive Data Analysis. New York: Wiley.