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Date:   Tue, 22 Sep 2009 14:48:00 -0400
Reply-To:   Ya Huang <ya.huang@AMYLIN.COM>
Sender:   "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:   Ya Huang <ya.huang@AMYLIN.COM>
Subject:   Re: Calculating averages within 1, 2, 3 miles from each point
Comments:   To: Carl Denney <cdenney@HEALTHINFOTECHNICS.COM>

Is that what it is? The latitude and longitude of White House?

On Tue, 22 Sep 2009 11:35:56 -0700, Carl Denney <cdenney@HEALTHINFOTECHNICS.COM> wrote:

>Can we be a bit cautious when requested to help someone compute distances from the White House? > > > > > > >-----Original Message----- >From: SAS(r) Discussion [mailto:SAS-L@LISTSERV.UGA.EDU] On Behalf Of Ya Huang >Sent: Tuesday, September 22, 2009 12:18 PM >To: SAS-L@LISTSERV.UGA.EDU >Subject: Re: Calculating averages within 1, 2, 3 miles from each point > >How do you define the distance between each id? >I tried d=sqrt((x1-x2)**2 + (y1-y2)**2), all the pairs has distance << 1? > >On Tue, 22 Sep 2009 11:59:01 -0400, Imam Xierali <imamx8@GMAIL.COM> wrote: > >>Hi programmers, >> >>Anyone has a code for calculating averages of k2 within 1, 2, 3 miles >>from each point from the following dataset? So the output would be >>three distances d1, d2, d3 that get the mean k2 of points within 1, 2, >>3 miles for each record. >> >>Many thanks, >> >> >> >>data dck; >>input Id x y k1 k2; >>cards; >>1 -77.073923 38.912835 3.951 2.183 >>2 -77.005398 38.872825 3.229 11.472 >>3 -76.925642 38.896538 3.628 3.015 >>4 -77.000521 38.908816 3.508 4.346 >>5 -77.01099 38.835734 3.671 8.485 >>6 -77.036519 38.893915 3.301 1.476 >>7 -76.987287 38.860589 3.163 8.15 >>8 -76.986608 38.874276 3.856 4.213 >>9 -76.954017 38.892108 3.236 6.544 >>10 -77.065562 38.921784 3.598 1.571 >>11 -77.045664 38.967122 3.342 4.662 >>12 -76.938105 38.892845 3.481 9.245 >>13 -77.099989 38.936615 3.796 1.247 >>14 -76.989294 38.860997 3.466 34.195 >>15 -76.978554 38.91056 3.398 5.112 >>16 -77.004724 38.954793 3.383 5.502 >>17 -77.038823 38.827295 3.819 2.568 >>18 -77.004309 38.891357 3.486 0.719 >>19 -77.022845 38.917487 3.29 3.326 >>20 -76.991717 38.930888 3.691 3.368 >>21 -77.002052 38.850847 3.413 13.903 >>22 -77.031384 38.889208 3.431 1.026 >>23 -77.032186 38.839916 3.619 9.474 >>24 -76.983342 38.938643 3.715 3.681 >>25 -77.017804 38.916986 3.235 0.583 >>26 -76.990369 38.928989 3.68 11.22 >>27 -77.090834 38.948038 3.29 13.499 >>28 -76.988995 38.83509 3.251 3.268 >>29 -77.025107 38.91746 3.684 1.165 >>30 -77.073613 38.944412 3.472 7.902 >>; >>run;


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