Displaying 1 result from an estimated 1 matches for "ck113234".
2013 Jan 23
2
Average calculations
Dear all,
I have a matrix with two columns: "Names" and "Values"
In names: there are 4 groups they are, CK113234, CK116296, CK116292 and
CK114042
I want to *sort values* (decreasing order) based on each group and
take average of the *top two numbers* in each of the groups.
> dput(x)
structure(list(Names = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L,
1L, 5L, 5L, 5L, 5L, 2L, 2L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 4L,...