Hi
 
I have four groups
 
y1=c(1.214,1.180,1.199)
y2=c(1.614,1.710,1.867,1.479)
y3=c(1.361,1.270,1.375,1.299)
y4=c(1.459,1.335)
Is there a function that can give me the length for each, like the made up 
example below?
 
>function(length(y1:y2)
[1] 3 4 4 2
	[[alternative HTML version deleted]]

