Survival times of terminal cancer patients treated with vitamin C
Data for Exercises 6.55 and 6.64
Cancer
A data frame/tibble with 64 observations on two variables
survival time (in days) of terminal patients treated with vitamin C
a factor indicating type of cancer with levels
breast, bronchus, colon, ovary, and
stomach
Cameron, E and Pauling, L. 1978. “Supplemental Ascorbate in the Supportive Treatment of Cancer.” Proceedings of the National Academy of Science, 75, 4538-4542.
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
boxplot(survival ~ type, Cancer, col = "blue") stomach <- Cancer$survival[Cancer$type == "stomach"] bronchus <- Cancer$survival[Cancer$type == "bronchus"] boxplot(stomach, ylab = "Days") SIGN.test(stomach, md = 100, alternative = "greater") SIGN.test(bronchus, md = 100, alternative = "greater") rm(bronchus, stomach)
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.