Dataset:  cattle_lido.csv

Source: A.C. Neves, J.C.B. Santos Junior, R.L. Marucio, M. Midon, S.P.L. Luna
(2017). "Anesthetic Effects of Different Volumes of Lidocaine for
Spermatic Cord Block in Cattle," Veterinary Anesthesia and Analgesia,
Vol. 44, pp. 375-378.

Description: Results of Completely Randomized Design with N=30 cattle,
and 3 lidocaine treatments (2,3,4 ml) of lidocaine 2% injected in
spermatic cord. Response: Surgical time (minutes)

Variable Names
lido.trt     (treatment number)
lido.2p.ml   (amount of lidocaine)
cast.time    (castration time in minutes)