powered by
Mathematic Marks from ggm package
data(marks)
A data frame with 88 observations on the following 5 variables.
mechanics
a numeric vector
vectors
algebra
analysis
statistics
Mechanics and Vectors were closed book examinations. Algebra, Analysis and Statistics were open book examinations.
Whittaker, J. (1990). Graphical models in applied multivariate statistics. Chichester: Wiley.
Run the code above in your browser using DataLab