search for: vec11

...greater than 25). I think the problem is memory size, is there anyway I can maximize the memory. Here is the syntax that I used.   > bestunits <- function(x){ + n <- nrow(x) + p <- ncol(x) + h <- p+1 + nchoosek <- function(n,h){ + factorial(n)/(factorial(h+1)*factorial(n-h-1))} + vec11 <- matrix(nrow=nchoosek(n,h), ncol=p) + vec12 <- matrix(nrow=nchoosek(n,h), ncol=h) + for (i in 1:nchoosek(n,h)){ + flag <- sample(1:n, h, replace=FALSE) + z <- x[flag,] + y <- eigen(var(z), only.values=TRUE)$values + vec11[i,] <- y + vec12[i,] <- flag + } + product <- apply...

Dear R user: I have got the following problem: I have imported two data sets into R: one set includes price information, another one includes volume information. but I noticed the wrong data order problem in the product name, for instance, in one data set, "GALAXY ACE S 5830" in another one, it is "S 5830 GALAXY ACE" both represent same product. how do i map two name