关于gregmisc的讨论汇总 - 话题女王

全部话题 - 话题: gregmisc

F****r
发帖数: 151

来自主题: Statistics版 - about R function to do N!

something from R-help
There is the factorial() function in the gregmisc package on CRAN,
otherwise the gamma() function as has been mentioned.

s*****n
发帖数: 2174

来自主题: Statistics版 - got a problem in R ><

library(gregmisc)
x <- permutations(4,4)
x[is.element(x, c(1,2))] <- 0
x[is.element(x, c(3,4))] <- 1
unique(data.frame(x))

topics