subsets {BHH2} | R Documentation |
Generates all different subsets of size r
chosen from n
different elements.
subsets(n, r, v = 1:n)
n |
numeric. Number of elements to choose from. |
r |
numeric. Size of the subsets. |
v |
vector. Numeric or character vector of size |
A matrix of dimension (N \times r
), where N
is
the total number of different combinations of r
elements chosen
from n
possible.
This particular version of the function was taken from a message from Bill Venables to ‘r-help’ list on Sun, 17 Dec 2000.
Bill Venables Bill.Venables@cmis.csiro.au
Venables, Bill. "Programmers Note", R-News, Vol 1/1, Jan. 2001. http://cran.r-project.org/doc/Rnews
combinations
of the gtools package.
library(BHH2)
subsets(5,3)
subsets(5,3,letters)
subsets(5,3,c(10,20,30,50,80))