rabbits data frame has 10 rows and 4 columns.
Five different doses of penicillin were administered to rabbits suffering from a streptococci infection and the number of recovering rabbits recorded. The rabbits are cross-classified according to whether the drug is administered immediately or delayed by an hour and a half. Interest focuses on whether the delay effects the treatment.
This data frame contains the following columns:
the number of rabbits that recovered;
the number of rabbits that died;
an indicator variable indicating whether the administration of penicillin was delayed by 1 1/2 hours;
the penicillin dose.
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