Displaying 2 results from an estimated 2 matches for "rgly".
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2010 Jul 23
2
, Updating Table
Hi everyone,
Is there any command for updating table withing a loop? For instance, at i, I have a table as ZZ = table(data.raw[1:ind[i]]) where "ind" = c(10, 20, 30, ...). Then , ZZ will be as follow
"A" "B" "C"
3 10 2
At (i + 1), ZZ = table(data.raw[(ind[i]+1):ind[i+1]])
"A" "B" "D"
4 7 8
Is there any
2010 Jul 26
1
After writing data in MMF using SEXP structure, can i reference in R?
...et="x-unknown"; Format="flowed"
On Fri, 23 Jul 2010, Marcus Liu wrote:
> Hi everyone,
>
> Is there any command for updating table withing a loop??
"Loops? We don't need no stinking loops!"
(From 'The Good, the Bad, and the Rgly')
tab <- table(data.raw, findInterval(seq(along=data.raw), ind+1 ) )
tab %*% upper.tri(tab, diag=T)
or
tab2 <- tapply( factor(data.raw), findInterval(seq(along=data.raw), ind+1
), table)
Reduce( "+", tab2, accum=TRUE )
HTH,
Chuck
p.s....