XY Plots Using GPLOT Where the Plot Symbol is the Value of a Third Variable, Z

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X-Y Plots Using GPLOT Where the Plot Symbol is
the Value of a Third Variable, Z

• David Oesper
• Iowa SAS Users Group - April Meeting
• April 8, 1999

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X-Y Plots Using PROC GPLOT Where the Plot
Symbol is the Value of a Third Variable, Z

data plotdata input xvar yvar
zvar / xvar average parking lot
illumination level in footcandles / / yvar
minimum parking lot illumination level in
footcandles / / zvar location / label
xvar'Average Illumination (fc)' label
yvar'Minimum' cards / Ames locations
/ 7.4 4.3 T / Target / 5.5 4.6 L /
Lowe's / 3.6 2.5 H / Hy Vee East / 2.2
1.6 K / K-Mart / 1.9 0.4 O / Old Target
/ 1.5 1.4 N / DOT North Annex / 1.2 0.8
W / Wal-Mart / 0.6 0.4 D / DOT East Lot
/ run
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data anno length function 8 / size
size of your plot symbols (zvar) / retain
xsys ysys '2' size 1.25 position '5' when 'a'
set plotdata function'label' xxvar
yyvar textzvar run axis1
offset(5,5)pct axis2 offset(5,5)pct /
inone means produce a scatter plot (unconnected
points) / / vnone means do not produce a plot
symbol -- annotate will do this / symbol inone
vnone / landscape paper orientation for x-y
plot / goptions ftextswiss rotatelandscape pr
oc gplot dataplotdata plot yvarxvarzvar /
annoanno vaxisaxis1 haxisaxis2 nolegend
title 'Minimum vs. Average Illumination Levels
for Several Parking Lots' run quit
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X-Y Plots Using PROC GPLOT Where the Plot
Symbol is the Value of a Third Variable, Z,
which is a Character Variable of Length 2 or
more
data worktown set
sasuser.worktown / use this statement to zoom
in on a portion of the graph / / where
1000ltpoplt10000 and eitgt50 / run data
anno length function 8 retain xsys ysys
'2' size 0.50 position '5' when 'a' set
worktown function'label' xpop
yeit texttrim(town) run
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axis1 offset(5,5)pct axis2 offset(5,5)pct sym
bol inone vnone repeat999 goptions
rotatelandscape targetwinprtc proc gplot
dataworktown plot eitpoptown / annoanno
vaxisaxis1 haxisaxis2 nolegend title1
'Percentage of Workers Employed in the Town They
Live In' title2 'Employed in Town (EIT) vs.
Population (POP) -- 1990 Census Data' run
quit
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