Displaying 1 result from an estimated 1 matches for "tp3074688p3075771".
2010 Dec 06
2
less than full rank contrast methods
I'd like to make a less than full rank design using dummy variables
for factors. Here is some example data:
when <- data.frame(time = c("afternoon", "night", "afternoon",
"morning", "morning", "morning",
"morning", "afternoon", "afternoon"),