How do I make a list of data frames and how do I access each of those data frames from the list?
For example, how can I put these data frames in a list ?
d1 <- data.frame(y1 = c(1, 2, 3),
y2 = c(4, 5, 6))
d2 <- data.frame(y1 = c(3, 2, 1),
y2 = c(6, 5, 4))
