The data refer to the numbers of courses taken by a class of 65 students from the first year of the Department of Statistics of Athens University of Economics. The students enrolled in this class attended 8 courses during the first year of their study. The total numbers of successful examinations (including resits) were recorded.
Source
Extracted from
Karlis, D. & Xekalaki, E., 2008. The Polygonal Distribution. In Advances in Mathematical and Statistical Modeling. Boston: Birkhuser Boston, pp. 21-33.
Available at: doi:10.1007/978-0-8176-4626-4_2 .
Examples
Course_data$sub.pass # extracting the binomial random variables
#> [1] 0 1 2 3 4 5 6 7 8
sum(Course_data$fre) # summing all the frequencies
#> [1] 65