ToothGrowth {jmvReadWrite} | R Documentation |
The Effect of Vitamin C on Tooth Growth in Guinea Pigs
ToothGrowth
A data.frame with 60 rows and 6 variables
character
ID of the guinea pig
factor
Supplement type (VC: Vitamin C or OJ: Orange juice)
factor
Transformation of the supplement type (factor to numerical: VC = 1; OJ = 2)
numeric
Dose in grams / day
ordered factor
Dose in grams / day
numeric
Tooth length
numeric
Natural logarithm of the tooth length (len)