[R] merge counts from table()

[Rui Barradas]

Hello,

This one will do it.

x <- 1:4
y <- 2:5

t1 <- table(x)
t2 <- table(y)

(xy <- c(rep(names(t1), t1), rep(names(t2), t2)))
table(xy)

Hope this helps,

Rui Barradas

Em 13-08-2012 19:25, Francois Pepin escreveu:
> Hi everyone,
>
> Is there an easy way to combine the counts from table()?
>
> Let's say that I have:
> x<-1:4
> y<-2:5
>
> I want to replicate:
> table(c(x,y))
>
> using only table(x) and table(y) as input.
>
> The reason is that it's cumbersome to carry all the values around when all I care about are the counts. The actual situation has about a billion counts over ~150 categories.
>
> I know there's got to be a number of ways of doing things (plyr comes to mind), but I can't seem to find how to accomplish it.
>
> Thanks,
>
> François Pepin
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