[datatable-help] Idiomatic way of using expression in i

[G See]

I would do it like this (per FAQ 1.6)

dt <- data.table(x=rnorm(1000),y=rnorm(1000))
iExpr <- quote(x>1 & y<.045)
dt[eval(iExpr)]



On Tue, Aug 18, 2015 at 7:57 AM, statquant3 <statquant at outlook.com> wrote:
> DT[eval(parse(text=iExpr))] is working, but it is the "correct" way
>
>
>
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