"Paul Smith" <[EMAIL PROTECTED]> wrote in
news:[EMAIL PROTECTED]:
> On Nov 26, 2007 7:45 PM, Gabor Csardi <[EMAIL PROTECTED]> wrote:
>> > x <- c(1,4,3)
>> > freq <- c(3,2,4)
>> > rep(x, freq)
>> [1] 1 1 1 4 4 3 3 3 3
>
> Thanks, Gabor. I had just tried
>
> rep(1:10,10:20)
>
> but should have tried
>
> rep(1:10,11:20)
>
I am wondering it this worked example would be more scaleable?
Assuming someone (me) has just copied your table to the clipboard:
> dt<-read.table("clipboard",header=TRUE)
> dt
X Frequency
1 1 3
2 4 2
3 3 4
> dt.expand<-rep(dt$X,dt$Frequency)
> dt.expand
[1] 1 1 1 4 4 3 3 3 3
David Winsemius
>>
>> On Mon, Nov 26, 2007 at 07:34:36PM +0000, Paul Smith wrote:
>> > Dear All,
>> >
>> > Suppose that you have the following data:
>> >
>> > X Frequency
>> > 1 3
>> > 4 2
>> > 3 4
>> >
>> > To get a vector with all observations, one could use
>> >
>> > data <- c(rep(1,3),rep(4,2),rep(3,4))
>> >
>> > I am wondering whether there exists an easier way of doing this.
>> > Any ideas?
>> >
>
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