### Name: uniquecombs
### Title: find the unique rows in a matrix
### Aliases: uniquecombs
### Keywords: models regression

### ** Examples

X<-matrix(c(1,2,3,1,2,3,4,5,6,1,3,2,4,5,6,1,1,1),6,3,byrow=TRUE)
print(X)
uniquecombs(X)



