It is perhaps easier to work with -ac- here, given its -generate()- option.
Nick
njcoxstata@gmail.com
On 14 Mar 2013, at 15:32, Tomas Lind <tomas.lind@sll.se> wrote:
> Works perfect. Thanks Maarten for your kind help.
>
> /Tomas
>
>
>
> -----owner-statalist@hsphsun2.harvard.edu skrev: -----
> Till: statalist@hsphsun2.harvard.edu
> Från: Maarten Buis
>
> On Thu, Mar 14, 2013 at 11:03 AM, Tomas Lind wrote:
>> I want to sum the absolut value of all PAC's up to lag 20
>
> *------------------ begin example ------------------
> webuse air2 , clear
> tsset t
> corrgram air, lags(20)
>
> mata
> st_numscalar( "abs_sum", sum(abs(st_matrix("r(PAC)"))) )
> end
>
> di abs_sum
> *------------------- end example -------------------
> (For more on examples I sent to the Statalist see:
> http://www.maartenbuis.nl/example_faq )
>
>
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