Try
dt[(id) %in% smp, ]
On 01/15/2016 10:39 AM, Huashan Chen wrote:
dt = data.table(id=1:30, nn = paste0('A', 1:30))
smp = sample(30, size =10)
# data is sorted as expected
aa = dt$id %in% smp
dt[aa, ]
# However, this gives unsorted result
dt[id %in% smp, ]
Is this a bug or by design?
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