thyroid.df: Effect of a New Drug on Thyroid Weights

Description Format


Data from an experiment to asses the effect of a new drug on the weight of the thyroid gland using 16 laboratory animals. The animals were randomly assigned into either a control group, or a treatment group, and each animal had its bodyweight recorded at the beginning of the experiment and its thyroid weight measured at the end of the experiment.


A data frame with 16 observations on 3 variables.

[,1] thyroid numeric Weight of thyroid gland after 7 days (mg)
[,2] body numeric Animal body weight before experiment began (g)
[,3] group factor Animal's group (1 = control, 2 = drug)

s20x documentation built on Aug. 23, 2021, 9:15 a.m.

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