Results of treatments for Hodgkin's disease

Data for Exercise 2.77

Hodgkin

Format

A data frame/tibble with 538 observations on two variables

type

a factor with levels LD, LP, MC, and NS

response

a factor with levels Positive, Partial, and None

Source

I. Dunsmore, F. Daly, Statistical Methods, Unit 9, Categorical Data, Milton Keynes, The Open University, 18.

References

Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.

Examples

T1 <- xtabs(~type + response, data = Hodgkin)
T1
#>     response
#> type None Partial Positive
#>   LP   12      18       74
#>   NS   12      16       68
#>   MC   58      54      154
#>   LD   44      10       18
barplot(t(T1), legend = TRUE, beside = TRUE)


if (FALSE) {
library(ggplot2)
ggplot2::ggplot(data = Hodgkin, aes(x = type, fill = response)) + 
           geom_bar(position = "dodge") + 
           theme_bw()
}