Date: Tue, 22 Sep 2009 15:38:11 -0400 Imam Xierali "SAS(r) Discussion" Imam Xierali Re: Calculating averages within 1, 2, 3 miles from each point To: Carl Denney <1EB1D421727C1B41BE02E761038BAA31176A6FC5D2@EXVMBX020-3.exch020.serverdata.net> text/plain; charset=ISO-8859-1

Hi Carl,

This is definitely not related to White House. It is related to the health workforce and the points are simulated random points. Well, DC is small but lots of health workers.

Imam

On Tue, Sep 22, 2009 at 2:35 PM, 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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