ex0432: Therapeutic Marijuana

In Sleuth2: Data Sets from Ramsey and Schafer's "Statistical Sleuth (2nd Ed)"

Description

To investigate the capacity of marijuana to reduce the side effects of cancer chemotherapy, researchers performed a double-blind, randomized, crossover trial. Fifteen cancer patients on chemotherapy were randomly assigned to receive either a marijuana treatment or a placebo treatment after their first three sessions of chemotherapy. They were then crossed over to the opposite treatment for their next 3 sessions.

Usage

ex0432

Format

A data frame with 15 observations on the following 3 variables.

Subject

subject number 1–15

Marijuana

total number of vomiting and retching episodes under marijuana treatment

Placebo

total number of vomiting and retching episodes under placebo treatment

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Chang, A.E., Shiling, D.J., Stillman, R.C., Goldberg, N.H., Seipp, C.A., Barofsky, I., Simon, R.M. and Rosenberg, S.A. (1979). Delta-9-Tetrahydrocannabinol as an Antiemetic in Cancer Patients Receiving High Dose Methotrexate, Annals of Internal Medicine 91(6): 819–824.

Examples

str(ex0432)

Example output

'data.frame':	15 obs. of  3 variables:
 $ Subject  : num  1 2 3 4 5 6 7 8 9 10 ...
 $ Marijuana: num  15 25 0 0 4 2 1 4 9 0 ...
 $ Placebo  : num  23 50 0 99 31 21 79 113 53 0 ...

Sleuth2 documentation built on May 2, 2019, 7:01 a.m.