Format
A data frame with 200 observations on the following 2 variables.
- treatment
- a factor with levels:
adult
,
larva
, larva+adult
, and water
- lifespan
- a numeric vector of lifespan
Source
inferred from Evason, K., C. Huang, I. Yamben, D.F. Covey,
and K. Kornfeld. 2005. Anticonvulsant medications extend worm life-span.
Science 307: 258-262.