Producing High-Quality Figures Using SAS/GRAPH and ODS Graphics Procedures

115Thunderstorm or Raindrop Scatter Plots

call symputx(“Ref5”, refn5);

call symputx(“Ref6”, refn6);

call symputx(“Ref7”, refn7);

call symputx(“Ref8”, refn8);

call symputx(“Ref9”, refn9);

call symputx(“Ref10”, refn10);

run;

data mndiur_all;

merge iop_MnDiur subjid;

by siteid subjid;

run;

proc transpose data = MnDiur_all out = MnDiur_T prefix = vst_;

by siteid subjid subj_index;

var iop_MnDiur;

run;

** Mean Diurnal IOP at each visit;

data mndiur_vst;

set MnDiur_T;

drop _NAME_;

rename vst_1 = BSL vst_2 = WK4 vst_3 = WK8 vst_4 = WK12;

run;

proc format;

value indexid

1 = ‘ ’

OTHER = ‘ ’;

run;

** Annotate dataset to connect the 2 IOPs at baseline and;

** week12 of the same subject by a straight line;

** (forming a rain drop);

data anno_w12; ...