Hadley et. al:
Indeed. And using a loop is a poor way to do it anyway.
v <- as.list(rep(FALSE,dotot))
is way faster.
-- Bert
On Thu, Jul 19, 2012 at 8:50 AM, Hadley Wickham <had...@rice.edu> wrote:
> On Thu, Jul 19, 2012 at 8:02 AM, Jan van der Laan <rh...@eoos.dds.nl> wrote:
>> Johan,
>>
>> Your 'list' and 'array doubling' code can be written much more efficient.
>>
>> The following function is faster than your g and easier to read:
>>
>> g2 <- function(dotot) {
>> v <- list()
>> for (i in seq_len(dotot)) {
>> v[[i]] <- FALSE
>> }
>> }
>
> Except that you don't need to pre-allocate lists...
>
> Hadley
>
> --
> Assistant Professor / Dobelman Family Junior Chair
> Department of Statistics / Rice University
> http://had.co.nz/
>
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--
Bert Gunter
Genentech Nonclinical Biostatistics
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