The Effect of Vitamin C on Tooth Growth in Guinea Pigs

ToothGrowth

Format

A data frame with 60 rows and 6 variables:

ID: ID of the guinea pig
supp: Supplement type (VC: Vitamin C or OJ: Orange juice)
supp2: Transformation of the supplement type (factor to numerical: VC = 1; OJ = 2)
dose: Dose in grams / day
dose2: Dose in grams / day
len: Tooth length
logLen: Natural logarithm of the tooth length (len)