No loop needed.
bysort period : gen bench = 4/_N
On Mon, Feb 11, 2013 at 7:18 PM, Xixi Lin <winnielxx@gmail.com> wrote:
> I want to generate a benchmark, which equals 4/n, while n is the
> number of observations and changes for each period out of 120 periods.
> For example,
> period 1: n=2000, benchmark=4/2000
> period 2: n=3000, benchmark=4/3000
> ......
> period 120: n=1800, benchmark=4/1800
>
> How can I generate this benchmark more efficiently, for instance, write a loop?
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