[datatable-help] possible sort bug?

[Michael Smith]

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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