[R] Re: Which variable exist after random

From: Sofyan Iyan <sofyan.iyan_at_gmail.com>
Date: Thu 02 Jun 2005 - 19:50:03 EST

Dear R-help again,
I have a result something like this,
[[1]]
[1] "Game" "Internet"

[[2]]
[1] "Game" "Internet"

[[3]]
[1] "Game" "Time"

How could I make the result above like,

[1] "Game","Internet","Time"

Regards, Sofyan

On 6/1/05, Sofyan Iyan <sofyan.iyan@gmail.com> wrote:
> Dear R-helper,
> How could I count only some variable was exist after running sample
> (random) function.
> For example,
>
> > testx <- factor(c("Game","Paper","Internet","Time","Money"))
> > for(i in 1:2) {
> + x <- sample(testx,replace=TRUE)
> + print(x)
> + }
> [1] Money Money Time Internet Time
> Levels: Game Internet Money Paper Time
> [1] Time Money Game Money Money
> Levels: Game Internet Money Paper Time
> >
>
> The result above Game, Internet, Money, and Time only exist and
> "Paper" was missing.
> Best, Sofyan
>



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