[R] group length

Asan Ramzan
Thu, 12 May 2011 16:50:01 -0000

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