Date: Fri, 11 Sep 1998 09:28:35 GMT
Reply-To: sobrinj@TOWERS.COM
Sender: "SAS(r) Discussion" <SAS-L@UGA.CC.UGA.EDU>
From: sobrinj@TOWERS.COM
Organization: Deja News - The Leader in Internet Discussion
Subject: Re: "Need a technical support!!How to make program automatic??"
you could define a macro
%macro sumloop;
w1*r01;
%do i=2 %to &choice;
%if &i lt 10 %then %let j=0&i;%else %let j=&i;
+ w&i.*r&j
%end;
%mend;
and then you have
dte=(r_m-(%sumloop))**2;
cheers
Jasr
In article <6t9v1l$pjj@super.tku.edu.tw>,
"juan" <g6490037@tkgis.tku.edu.tw> wrote:
> Hello:
> Can you give me a hand ? The following is my sas program:
>
> ********************************************;
> %let choice=20;
> proc nlp data=stock outest=nlp_out1;
> min terror;
> parms w1-w&choice=0.05; *0.05=1/&choice;
> dte=(r_m-(w1*r01+w2*r02+w3*r03+w4*r04+w5*r05+
> w6*r06+w7*r07+w8*r08+w9*r09+w10*r10+
> w11*r11+w12*r12+w13*r13+w14*r14+w15*r15+
> w16*r16+w17*r17+w18*r18+w19*r19+w20*r20))**2;
>
> terror+(dte);
> bounds 0<=w1-w&choice<=1;
> lincon
> 1=w1+w2+w3+w4+w5+w6+w7+w8+w9+w10+w11+w12+w13+w14+w15+w16+w17+w18+w19+w20;
> **********************************************;
>
> Now if
> %let choice=25;
> then
> parms w1-w&choice=1/&choice=1/25=0.04;
> dte=(r_m-(w1*r01+w2*r02+w3*r03+w4*r04+w5*r05+
> w6*r06+w7*r07+w8*r08+w9*r09+w10*r10+
> w11*r11+w12*r12+w13*r13+w14*r14+w15*r15+
>
> w16*r16+w17*r17+w18*r18+w19*r19+w20*r20+w21*r21+w22*r22+w23*r23+w24*r24+w25*
> r25))**2;
> lincon
>
> 1=w1+w2+w3+w4+w5+w6+w7+w8+w9+w10+w11+w12+w13+w14+w15+w16+w17+w18+w19+w20+w21
> +w22+w23+w24+w25
>
> Because I can change the number of choice,(p.s :In order to
> automatize the program,so I
> let the number of choice that is variable), so I want to define :
>
> parms w1-w&choice=1/&choice;
> dte=(r_m-sum(of w1*r01-w&choice*r&choice))**2;
> lincon 1=sum(of w1-w&choice);
>
> but when I write them (parms w1-w&choice=1/&choice; dte=(r_m-sum(of
> w1*r01-w&choice*r&choice))**2;
> lincon 1=sum(of w1-w&choice);)
> into the sas program, I can't execute the program.It is wrong! Can
> you tell me "Why"?
>
> Can you tell me how to correct the program? I really need your
> help !!
>
>
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